2² × 5² × 2551

Prime Factor Structure

Factorization String 2^2 × 5^2 × 2551

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 553,784

Proper Divisor Sum 298,684

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #255097 ← → #255107

1 2 4 5 10 20 25 50 100 2,551 5,102 10,204 12,755 25,510 51,020 63,775 127,550 255,100

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

255,100 127,550 63,775 191,326 95,663 286,990 143,495 430,486 215,243 645,730 322,865 968,596 484,298 242,149 726,448 363,224 181,612 90,806 45,403 136,210 68,105 204,316 102,158 51,079 153,238 76,619 229,858 114,929 344,788 172,394 86,197 258,592 129,296 64,648 32,324 16,162 8,081 24,244 12,122 6,061 18,184 9,092 4,546 2,273 6,820 3,410 1,705 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719

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