2² × 3 × 17977

Prime Factor Structure

Factorization String 2^2 × 3 × 17977

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 503,384

Proper Divisor Sum 287,660

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #215723 ← → #215737

1 2 3 4 6 12 17,977 35,954 53,931 71,908 107,862 215,724

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

215,724 107,862 53,931 161,794 80,897 242,692 121,346 60,673 182,020 91,010 45,505 136,516 68,258 34,129 102,388 51,194 25,597 76,792 38,396 19,198 9,599 28,798 14,399 43,198 21,599 64,798 32,399 97,198 48,599 145,798 72,899 218,698 109,349 328,048 164,024 82,012 41,006 20,503 61,510 30,755 92,266 46,133 138,400 69,200 34,600 17,300 8,650 4,325 12,976 6,488 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370

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