5² × 13 × 1579

Prime Factor Structure

Factorization String 5^2 × 13 × 1579

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 685,720

Proper Divisor Sum 172,545

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #513173 ← → #513203

1 5 13 25 65 325 1,579 7,895 20,527 39,475 102,635 513,175

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

513,175 1,539,526 769,763 2,309,290 1,154,645 3,463,936 1,731,968 865,984 432,992 216,496 108,248 54,124 27,062 13,531 40,594 20,297 60,892 30,446 15,223 45,670 22,835 68,506 34,253 102,760 51,380 25,690 12,845 38,536 19,268 9,634 4,817 14,452 7,226 3,613 10,840 5,420 2,710 1,355 4,066 2,033 6,100 3,050 1,525 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91

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