13² × 257

Prime Factor Structure

Factorization String 13^2 × 257

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 47,214

Proper Divisor Sum 3,781

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #43427 ← → #43441

1 13 169 257 3,341 43,433

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

43,433 130,300 65,150 32,575 97,726 48,863 146,590 73,295 219,886 109,943 329,830 164,915 494,746 247,373 742,120 371,060 185,530 92,765 278,296 139,148 69,574 34,787 104,362 52,181 156,544 78,272 39,136 19,568 9,784 4,892 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47

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