2² × 5² × 13 × 19 × 31

Prime Factor Structure

Factorization String 2^2 × 5^2 × 13 × 19 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,944,320

Proper Divisor Sum 1,178,620

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #765673 ← → #765707

1 2 4 5 10 13 19 20 25 26 31 38 50 52 62 65 76 95 100 124 130 155 190 247 260 310 325 380 403 475 494 589 620 650 775 806 950 988 1,178 1,235 1,300 1,550 1,612 1,900 2,015 2,356 2,470 2,945 3,100 4,030 4,940 5,890 6,175 7,657 8,060 10,075 11,780 12,350 14,725 15,314

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

765,700 382,850 191,425 574,276 287,138 143,569 430,708 215,354 107,677 323,032 161,516 80,758 40,379 121,138 60,569 181,708 90,854 45,427 136,282 68,141 204,424 102,212 51,106 25,553 76,660 38,330 19,165 57,496 28,748 14,374 7,187 21,562 10,781 32,344 16,172 8,086 4,043 12,130 6,065 18,196 9,098 4,549 13,648 6,824 3,412 1,706 853 2,560 1,280 640 320 160 80 40 20 10 5 16 8 4

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