Tuesday, 2 June 2026

Pentatrigesimal multiplication table

As a response to seeing a relatively conventional hexadecimal multiplicaiton table on Wikipedia, I am writing one for pentatrigesimal, as defined in the post here:
 123456789ABCDEFGHIJKLMNPQRSTUVWXYZ10
1123456789ABCDEFGHIJKLMNPQRSTUVWXYZ10
22468ACEGIKMPRTVXZ11131517191B1D1F1H1J1L1N1Q1S1U1W1Y20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Saturday, 30 May 2026

An experiment — factoring a pentatrigesimal “century”

Today, following up from work a few years ago on pentatrigesimal numbers — a number system using all numbers and letters except O [because “O” have I have always viewed as a number because of its extreme similarity to zero] — I experimented with a thirteen-decimal-digit pentatrigesimal century with two goals:

  1. to see whether an extremely prime-dense group of 100 numbers would influence the prime density of a cluster as large 1,225 numbers
    • 1,225 numbers is, of course, the length of a sequence of numbers whose pentatrigesimal representation differs only in the last two digits
  2. to see how well I could convert factors calculated in decimal to pentratrigesimal
The 1,225 numbers chosen have decimal representations ranging from 1,277,956,496,425 to 1,277,956,497,649. This is based on the pentatrigesimal representation of the numbers of the decimal century from 1,277,956,497,400 to 1,277,956,497,499, which is the seventh century with seventeen prime numbers, but the first beyond the reach of prime tables like those at Compoasso, Walter Fendt, and Mark Knows Nothing.

Pentatrigesimal Notation and Factors for All Numbers Not Divisible by 2, 3, or 5 Between 1,277,956,496,425 and 1,277,956,497,649:

In the list below:
  1. the bold blue numbers are part of the zero-prime decimal century from 1,277,956,497,000 to 1,277,956,497,099
  2. the bold red numbers are part of the seventeen-prime century noted above
  3. italicised numbers have pentatrigesimal representations ending in 7, E, L, or T. Any number with pentatrigesimal representations ending in those digits are divisible by 7
    1. a number is indeed divisible by 7 if and only if its pentatrigesimal representation ends in:
      1. 0
      2. 7
      3. E
      4. L, or
      5. T
  • JV6W5I04 = 9R6 × 21B5CP
  • JV6W5I06 = 3Z × AEH × GTBC
  • JV6W5I0C = E9 × ED × 5091521
  • JV6W5I0G = W × MEWH3YW
  • JV6W5I0I = B × 34 × 5I × 7X × G9M
  • JV6W5I0M = 22N × 9JW0V4
  • JV6W5I0P = DC × 1H3KLS2
  • JV6W5I0T = 7 × D × 12 × 1X × 3S4GH
  • JV6W5I0Z = N × 1P × 7R × HI × 4LZ
  • JV6W5I11 = JI × 10LVMU2
  • JV6W5I17 = 7 × 12X × 2LNT2Y
  • JV6W5I1B = AN × 1V85CQ2
  • JV6W5I1D is prime
  • JV6W5I1H is prime
  • JV6W5I1J = D × 1IGNXQLN
  • JV6W5I1N = 6D × R1 × 46Q6R
  • JV6W5I1U = 18 × 3RI × 4AKQG
  • JV6W5I1W is prime
  • JV6W5I22 is prime
  • JV6W5I26 is prime
  • JV6W5I28 = H × J × W × 2F1SIR
  • JV6W5I2C is prime
  • JV6W5I2E = 7 × B × 2D × 3T8U74
  • JV6W5I2I = U × 32 × 30G × 2L31
  • JV6W5I2P = 2W × KJ × S2 × F5Y
  • JV6W5I2R = 23 × 9IAZ42X
  • JV6W5I2X = 12 × 16 × 29 × 73PYZ
  • JV6W5I31 = B × D × 1I × 16P × 2PC1
  • JV6W5I33 = 3M × 5GKMCTP
  • JV6W5I37 = 7 × H × 4S × 3YW × ASZ
  • JV6W5I39 = 1NN × BUTIY8
  • JV6W5I3D is prime
  • JV6W5I3J is prime
  • JV6W5I3L = 7 × N × 2J × 38 × 7I × 2FR
  • JV6W5I3S = D × 3N76 × EKYZ
  • JV6W5I3W = 1R × M3 × I24CH
  • JV6W5I3Y = 43Z × 4UP × ZV3
  • JV6W5I42 is prime
  • JV6W5I44 is prime
  • JV6W5I48 is prime
  • JV6W5I4E = 7 × J × 1C × 2N4 × 17GB
  • JV6W5I4G = 2Y × 23P × 3779N
  • JV6W5I4M = 1X × 18GZ × 8CAJ
  • JV6W5I4R = Q6 × SLMMSG
  • JV6W5I4T = 7 × 2UAZFSKP
  • JV6W5I4X = B × N × 2TY × Z0PY
  • JV6W5I4Z is prime
  • JV6W5I53 = PH × 42H × 6Z3C
  • JV6W5I59 = D × D × 16 × 3HWXPR
  • JV6W5I5B = 49 × 6YG × NGNU
  • JV6W5I5H = J × J × LD9 × 35C3
  • JV6W5I5L = 7 × 7 × 2N08 × 5BVD
  • JV6W5I5N = 6N × 2ZF0631
  • JV6W5I5S = W × MEWH3Z2
  • JV6W5I5U = U × 4H × 5C16KY
  • JV6W5I5Y = 85Z × 2F2Z62
  • JV6W5I64 = H × 15WA2DES
  • JV6W5I66 = B × 1T6ZMS3R
  • JV6W5I6C is prime
  • JV6W5I6G = 54 × 3VXM4E4
  • JV6W5I6I is prime
  • JV6W5I6M = 5P × 3H9GQRY
  • JV6W5I6P is prime
  • JV6W5I6T = 7 × B × 60J × 1HIK1
  • JV6W5I6Z is prime
  • JV6W5I71 = 61 × 2ZJ × 13L8P
  • JV6W5I77 = 7 × 1ER × 1ZVRUM
  • JV6W5I7B = 29X × 8PGLP8
  • JV6W5I7D = 1R × 7FY × 1IHJR
  • JV6W5I7H = D × U × Y2Z × 1Y9P
  • JV6W5I7J = N × W × 1VC × I9RZ
  • JV6W5I7N = J × 1FZY × Q3W4
  • JV6W5I7U = FG × 19Z5B14
  • JV6W5I7W is prime
  • JV6W5I82 = B × H × 3X × Y8FXY
  • JV6W5I86 = 56 × S26 × 4YV6
  • JV6W5I88 = D × 1AM × 160PHD
  • JV6W5I8C is prime
  • JV6W5I8E = 7 × 7 × 92 × 1JTX5I
  • JV6W5I8I is prime
  • JV6W5I8P = B × 2J × 4Y × 50ZKC
  • JV6W5I8R = J × CIJ × 2X77W
  • JV6W5I8X is prime
  • JV6W5I91 = H × 15WA2DEY
  • JV6W5I93 = 1I × D438106
  • JV6W5I97 = 7 × 18 × 8W × 93EAS
  • JV6W5I99 = 12 × 2GW × 7JWRC
  • JV6W5I9D = 126 × 1VZ × 9X9S
  • JV6W5I9J = 1FP9 × DPZG6
  • JV6W5I9L = 7 × 2UAZFSLD
  • JV6W5I9S = 1C × ESPH8KB
  • JV6W5I9W is prime
  • JV6W5I9Y = B × 16 × 6W × 171 × 6ID
  • JV6W5IA2 = 38 × 65BEX29
  • JV6W5IA4 = 37H8 × 66AFI
  • JV6W5IA8 = SM × CE9 × 20ZB
  • JV6W5IAE = 7 × YNY × 2Y6S9
  • JV6W5IAG = D × 1A8 × 16DDWJ
  • JV6W5IAM = AH × EJ × 4JJMU
  • JV6W5IAR = 5G × 706 × I6I1
  • JV6W5IAT = 7 × U × 3EV5D0R
  • JV6W5IAX = J × 6U × 193 × 48W4
  • JV6W5IAZ = H × 21 × 81 × BC × 7R6
  • JV6W5IB3 = W × 1P × 23 × 6D8G4
  • JV6W5IB9 is prime
  • JV6W5IBB = I469 × 13CV9
  • JV6W5IBH = N × RIN × 14VHD
  • JV6W5IBL = 7 × 19S × 27MC3J
  • JV6W5IBN = 18 × G5V0XZG
  • JV6W5IBS is prime
  • JV6W5IBU = B × 1E8 × 19XMZN
  • JV6W5IBY = D × H × 29 × 1DS84C
  • JV6W5IC4 = 1I × 9M × 1CNT8U
  • JV6W5IC6 = 1P4 × BRL9BJ
  • JV6W5ICC = BQGJ × 1P9Q8
  • JV6W5ICG = B × B × U × 1C × 7C × 28B
  • JV6W5ICI is prime
  • JV6W5ICM = 9U9 × 20NS9I
  • JV6W5ICP = D × 1IGNXQMI
  • JV6W5ICT = 7 × N × 4B4IY5I
  • JV6W5ICZ = 34 × 6D7ZQIR
  • JV6W5ID1 is prime
  • JV6W5ID7 = 7 × 8JC × BLERN
  • JV6W5IDB = 9G × 23HV1MG
  • JV6W5IDD = 1VFH × ALT79
  • JV6W5IDH = 12 × 76 × 2LPH9G
  • JV6W5IDJ = S8 × 4S4 × 5C5H
  • JV6W5IDN = 9X × 3682871749
  • JV6W5IDU = 49 × 4B × 2047VX4
  • JV6W5IDW = H × H × 2E6RWNJ
  • JV6W5IE2 is prime
  • JV6W5IE6 = D × J × JR × 4ZMAN
  • JV6W5IE8 = 2W × 24M3 × 37ZB
  • JV6W5IEC = B × 1R × IH × 1YMZW
  • JV6W5IEE = 7 × 6D × LM × Q7UC
  • JV6W5IEI = Q8 × 5NH × 4V2D
  • JV6W5IEP is prime
  • JV6W5IER = 32 × C1 × IWNPD
  • JV6W5IEX = D × D × 43Z57CI
  • JV6W5IF1 = 21 × 9SPKSD1
  • JV6W5IF3 is prime
  • JV6W5IF7 = 7 × 2UAZFSM6
  • JV6W5IF9 = J × 23 × 2S × A9 × LKZ
  • JV6W5IFD is prime
  • JV6W5IFJ is prime
  • JV6W5IFL = 7 × B × 12 × 3AR × 2KDP
  • JV6W5IFS = U × 1BS × HXV7U
  • JV6W5IFW = 3X × IU × 9F53S
  • JV6W5IFY = 9Z × 1B3 × 1HY6P
  • JV6W5IG2 = 3Z × 501QQAY
  • JV6W5IG4 = 1X × 1T8 × 5R0YU
  • JV6W5IG8 = B × 2Y × E1 × 1IKA6
  • JV6W5IGE = 7 × D × W × 5A6 × 1M24
  • JV6W5IGG = 29 × 7R × 508 × 7Y3
  • JV6W5IGM = 2D × AEN × T4T3
  • JV6W5IGR = N × V7WSM3S
  • JV6W5IGT = 7 × 7 × 7 × H × 461QYI
  • JV6W5IGX = 3R × 1Y9 × 2Q8FD
  • JV6W5IGZ = 16 × 1G2 × BLTQX
  • JV6W5IH3 = 20H × 9V73UU
  • JV6W5IH9 = EW × 6PW × 6YJU
  • JV6W5IHB = BPR × 1PDEJR
  • JV6W5IHH = B × DX × 4IZ1ER
  • JV6W5IHL = 7 × 3M × SCY6U4
  • JV6W5IHN = 7P × X9 × 2T51Y
  • JV6W5IHS = H × 15WA2DFG
  • JV6W5IHU = 1C × 1P × 1R × 1R × 2W3N
  • JV6W5IHY = 6J × 1171 × 365BX
  • JV6W5II4 = B × 1T6ZMS4U
  • JV6W5II6 = W × 1I × 39D × 41LP
  • JV6W5IIC = 1093 × 1169219119
  • JV6W5IIG = 7901 × 161746171
  • JV6W5III = J × 56 × 72M7N2
  • JV6W5IIM = D × 7I × CKS × JS9
  • JV6W5IIP = B4 × KS × 30DW8
  • JV6W5IIT = 7 × YX × 2ZW × Z72
  • JV6W5IIZ = 6N × 1IN1 × 1Y43
  • JV6W5IJ1 = 18 × AP3 × 1HXZJ
  • JV6W5IJ7 = 7 × 34 × 2H4 × CTF6
  • JV6W5IJB = 16 × GYG4E3W
  • JV6W5IJD = B × B × D × N × NIV82
  • JV6W5IJH = 1EX × DXGK06
  • JV6W5IJJ = QKUU × S5LR
  • JV6W5IJN = IGB × 12MMRI
  • JV6W5IJU = 12 × 20S × 9A7VW
  • JV6W5IJW is prime
  • JV6W5IK2 = D6 × 1R2 × V8Y6
  • JV6W5IK6 is prime
  • JV6W5IK8 = BG × 1U3 × Y4V6
  • JV6W5IKC = 3U1 × 56IZMC
  • JV6W5IKE = 7 × A3 × 9EC × 11LX
  • JV6W5IKI = 1C × 1UU × 7ZHFR
  • JV6W5IKP = H × J × N × N × 17J × 43I
  • JV6W5IKR = U × 13WP × LJTB
  • JV6W5IKX = RRB × QZIXM
  • JV6W5IL1 = K9 × 8MW × 3YSZ
  • JV6W5IL3 is prime
  • JV6W5IL7 = 7 × 1I × 1P × 4N × 8CDR
  • JV6W5IL9 = B × 1T6ZMS54
  • JV6W5ILD = 2D × 8D5F8N1
  • JV6W5ILJ is prime
  • JV6W5ILL = 7 × D × 1MZ × 1QU × 2MW
  • JV6W5ILS = J × GZJ × 25DLC
  • JV6W5ILW = B × 7M4 × 89UAJ
  • JV6W5ILY = 12 × J8 × 52G × 6R3
  • JV6W5IM2 = IW × 32G × BZMC
  • JV6W5IM4 = 2Y × 793 × XIXB
  • JV6W5IM8 = IUW1 × 11VJ8
  • JV6W5IME = 7 × 7 × U × 6QI × 2J28
  • JV6W5IMG = 4B × 4L4UGKB
  • JV6W5IMM = H × AN × 2C9 × 1M53
  • JV6W5IMR = 2HZ × 7WKKZ9
  • JV6W5IMT = 7 × 2L2 × 1362QM
  • JV6W5IMX is prime
  • JV6W5IMZ = 38 × 65BEX2D
  • JV6W5IN3 = D × 1IGNXQNB
  • JV6W5IN9 is prime
  • JV6W5INB = N × EY × 20SW7Z
  • JV6W5INH = W × MEWH3ZM
  • JV6W5INL = 7 × H × 23 × 2T15X3
  • JV6W5INN = 1FY × DMM316
  • JV6W5INS = B × 1X × 4H × 7CKZ8
  • JV6W5INU = D × 3IX × F3N7J
  • JV6W5INY = J × 18 × 2J × 11H × B88
  • JV6W5IP4 = 10C × JNFUQC
  • JV6W5IP6 = CU × 1J6PBMZ
  • JV6W5IPC = 2TJ × 6ZN × 10BB
  • JV6W5IPG = I7C × 1366XD
  • JV6W5IPI = 4CW × 4J59SD
  • JV6W5IPM = N × V7WSM44
  • JV6W5IPP is prime
  • JV6W5IPT = 7 × 1R × 2QZ × KSC6
  • JV6W5IPZ = H4 × 15LQJ0R
  • JV6W5IQ1 = B × J × 3BEQ53Z
  • JV6W5IQ7 = 7 × 7 × E6JX8YD
  • JV6W5IQB = D × 1IGNXQNH
  • JV6W5IQD = A87Z × 1XXAM
  • JV6W5IQH = 29 × BP × RCH4X
  • JV6W5IQJ = H × W6 × 1E6 × XNX
  • JV6W5IQN = B × 4N × H6 × 9QTW
  • JV6W5IQU = 8S × 2Q4 × U5RY
  • JV6W5IQW = 1C × RJ × 1EI × DSJ
  • JV6W5IR2 = D × 1IGNXQNJ
  • JV6W5IR6 = 12 × ISLMUU3
  • JV6W5IR8 = 5M × 3IHXCPU
  • JV6W5IRC = 16 × 2S × 3PZ × 1MN9
  • JV6W5IRE = 7 × 18 × LG × 3RV0P
  • JV6W5IRI = H × 92 × 92 × PD × Q2
  • JV6W5IRP = 2TM9 × 71NXR
  • JV6W5IRR is prime
  • JV6W5IRX = B × 54 × CCHX7N
  • JV6W5IS1 = W × 81 × 2SRQ1R
  • JV6W5IS3 is prime
  • JV6W5IS7 = 7 × J × 21 × 21 × 19G09
  • JV6W5IS9 = N × 1I × JYLMVG
  • JV6W5ISD = U × DC × 1N9 × 12S9
  • JV6W5ISJ = B × D × KY × 84CNR
  • JV6W5ISL = 7 × 1X × AFG × 4YWJ
  • JV6W5ISS = 23 × 1A3J × 7DN6
  • JV6W5ISW is prime
  • JV6W5ISY = 1P × 8D × 1E97MP
  • JV6W5IT2 is prime
  • JV6W5IT4 is prime
  • JV6W5IT8 is prime
  • JV6W5ITE = 7 × PJ × 2PN × 1HCW
  • JV6W5ITG = H × 4Y × 771 × 157G
  • JV6W5ITM is prime
  • JV6W5ITR is prime
  • JV6W5ITT = 7 × B × W × BZ × UT2G
  • JV6W5ITX is prime
  • JV6W5ITZ is prime
  • JV6W5IU3 = ED × 27Z × LPZP
  • JV6W5IU9 is prime
  • JV6W5IUB is prime
  • JV6W5IUH is prime
  • JV6W5IUL = 7 × 2UAZFSP8
  • JV6W5IUN is prime
  • JV6W5IUS = D × 1V6 × TQ68Z
  • JV6W5IUU = 66H × 6AN × HTZ
  • JV6W5IUY is prime
  • JV6W5IV4 is prime
  • JV6W5IV6 is prime
  • JV6W5IVC is prime
  • JV6W5IVG = J × 8Y × 11N × 3WQG
  • JV6W5IVI = D × 4N × G89 × PRD
  • JV6W5IVM is prime
  • JV6W5IVP = B × U × 22J × 11T14
  • JV6W5IVT = 7 × 7 × 83 × 1REG3U
  • JV6W5IVZ = 31H × 6IHGE2
  • JV6W5IW1 = 16 × 6J × 2KPLX4
  • JV6W5IW7 = 7 × N × 4B4IY5M
  • JV6W5IWB = B × 18 × 1P × 1AR × NC8
  • JV6W5IWD = H × 9M × 1DD × 32JJ
  • JV6W5IWH is prime
  • JV6W5IWJ = J × 2W × 3X × 1JH × 22U
  • JV6W5IWN = 34 × FX × E0XZ1
  • JV6W5IWU = 4S × 7652434117
  • JV6W5IWW = 2S × 3R × 1X0NTY
  • JV6W5IX2 = G3 × GY × 2J9RN
  • JV6W5IX6 = 7X × 2HUEXIY
  • JV6W5IX8 = 9G × 7DB × 9YL8
  • JV6W5IXC = H × U × W × 1KQASZ
  • JV6W5IXE = 7 × C72 × 84VRB
  • JV6W5IXI = N × 12 × 436 × 6ZMD
  • JV6W5IXP is prime
  • JV6W5IXR = D × 4H × BX8WKW
  • JV6W5IXX = UI × NJECZU
  • JV6W5IY1 = 7P × 2KFVN2J
  • JV6W5IY3 = 32 × F0R × F4UU
  • JV6W5IY7 = 7 × B × B × VNC × XSI
  • JV6W5IY9 is prime
  • JV6W5IYD = 16 × 3Z1H × 49DJ
  • JV6W5IYJ is prime
  • JV6W5IYL = 7 × 7 × 5I × 1IZ × 1NDX
  • JV6W5IYS = 18 × G5V0XZZ
  • JV6W5IYW = 2Y × 1XC × 3HS66
  • JV6W5IYY = 1C × 17H × C6GYC
  • JV6W5IZ2 is prime
  • JV6W5IZ4 = W × 2J × 7ER × 16KR
  • JV6W5IZ8 = D × D × 1RR × 2BLIH
  • JV6W5IZE = 7 × 1KDN × 1SRE9
  • JV6W5IZG = B × 1T6ZMS6B
  • JV6W5IZM = 12 × 2KW × 788P6
  • JV6W5IZR is prime
  • JV6W5IZT = 7 × J × CJ × EKHHJ
  • JV6W5IZX is prime
  • JV6W5IZZ = D × 15Y × 1AQ0AW

Analysis:

If we count the primes in the “century” [actually, of course, a sequence of one thousand two hundred and twenty-five integers, or twelve and a quarter times as many as a conventional decimal century], we find that there are a total of sixty-three primes.

According to the prime number theorem, there should be an average gap of approximately 27.876 between primes over these numbers. This would mean that there should be about 43.944 primes over the pentatrigesimal “century”, which is approximately nineteen fewer than the number actually observed.

This does imply that the extremely prime-rich decimal century from 1,277,956,497,400 to 1,277,956,497,499 has effects that extend to a full pentatrigesimal “century” more than twelve times as large.