2² × 13 × 12637

Prime Factor Structure

Factorization String 2^2 × 13 × 12637

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,238,524

Proper Divisor Sum 581,400

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #657121 ← → #657127

1 2 4 13 26 52 12,637 25,274 50,548 164,281 328,562 657,124

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

657,124 328,562 164,281 492,844 246,422 123,211 369,634 184,817 554,452 277,226 138,613 415,840 207,920 103,960 51,980 25,990 12,995 38,986 19,493 58,480 29,240 14,620 7,310 3,655 10,966 5,483 16,450 8,225 24,676 12,338 6,169 18,508 9,254 4,627 13,882 6,941 20,824 10,412 5,206 2,603 7,810 3,905 11,716 5,858 2,929 8,788 4,394 2,197 6,592 3,296 1,648 824 412 206 103 310 155 466 233 700

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