813,748

2² × 13 × 15649

Prime Factor Structure

Factorization String 2^2 × 13 × 15649

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,533,700

Proper Divisor Sum 719,952

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #813721 ← → #813749

1 2 4 13 26 52 15,649 31,298 62,596 203,437 406,874 813,748

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

813,748 406,874 203,437 610,312 305,156 152,578 76,289 228,868 114,434 57,217 171,652 85,826 42,913 128,740 64,370 32,185 96,556 48,278 24,139 72,418 36,209 108,628 54,314 27,157 81,472 40,736 20,368 10,184 5,092 2,546 1,273 3,820 1,910 955 2,866 1,433 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4

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