775,820

2² × 5 × 38791

Prime Factor Structure

Factorization String 2^2 × 5 × 38791

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 1,629,264

Proper Divisor Sum 853,444

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #775811 ← → #775823

1 2 4 5 10 20 38,791 77,582 155,164 193,955 387,910 775,820

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

775,820 387,910 193,955 581,866 290,933 872,800 436,400 218,200 109,100 54,550 27,275 81,826 40,913 122,740 61,370 30,685 92,056 46,028 23,014 11,507 34,522 17,261 51,784 25,892 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137

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