677,240

2³ × 5 × 16931

Prime Factor Structure

Factorization String 2^3 × 5 × 16931

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 1,523,880

Proper Divisor Sum 846,640

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #677239 ← → #677309

1 2 4 5 8 10 20 40 16,931 33,862 67,724 84,655 135,448 169,310 338,620 677,240

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

677,240 338,620 169,310 84,655 253,966 126,983 380,950 190,475 571,426 285,713 857,140 428,570 214,285 642,856 321,428 160,714 80,357 241,072 120,536 60,268 30,134 15,067 45,202 22,601 67,804 33,902 16,951 50,854 25,427 76,282 38,141 114,424 57,212 28,606 14,303 42,910 21,455 64,366 32,183 96,550 48,275 144,826 72,413 217,240 108,620 54,310 27,155 81,466 40,733 122,200 61,100 30,550 15,275 45,826 22,913 68,740 34,370 17,185 51,556 25,778

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