129,255

3 × 5 × 7 × 1231

Prime Factor Structure

Factorization String 3 × 5 × 7 × 1231

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 236,544

Proper Divisor Sum 107,289

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #129229 ← → #129263

1 3 5 7 15 21 35 105 1,231 3,693 6,155 8,617 18,465 25,851 43,085 129,255

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

129,255 387,766 193,883 581,650 290,825 872,476 436,238 218,119 654,358 327,179 981,538 490,769 1,472,308 736,154 368,077 1,104,232 552,116 276,058 138,029 414,088 207,044 103,522 51,761 155,284 77,642 38,821 116,464 58,232 29,116 14,558 7,279 21,838 10,919 32,758 16,379 49,138 24,569 73,708 36,854 18,427 55,282 27,641 82,924 41,462 20,731 62,194 31,097 93,292 46,646 23,323 69,970 34,985 104,956 52,478 26,239 78,718 39,359 118,078 59,039 177,118

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