2 × 3 × 13 × 8311

Prime Factor Structure

Factorization String 2 × 3 × 13 × 8311

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,396,416

Proper Divisor Sum 748,158

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #648257 ← → #648259

1 2 3 6 13 26 39 78 8,311 16,622 24,933 49,866 108,043 216,086 324,129 648,258

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

648,258 324,129 972,388 486,194 243,097 729,292 364,646 182,323 546,970 273,485 820,456 410,228 205,114 102,557 307,672 153,836 76,918 38,459 115,378 57,689 173,068 86,534 43,267 129,802 64,901 194,704 97,352 48,676 24,338 12,169 36,508 18,254 9,127 27,382 13,691 41,074 20,537 61,612 30,806 15,403 46,210 23,105 69,316 34,658 17,329 51,988 25,994 12,997 38,992 19,496 9,748 4,874 2,437 7,312 3,656 1,828 914 457 1,372 686

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