2 × 3 × 5 × 631

Prime Factor Structure

Factorization String 2 × 3 × 5 × 631

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 45,504

Proper Divisor Sum 26,574

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #18919 ← → #18947

1 2 3 5 6 10 15 30 631 1,262 1,893 3,155 3,786 6,310 9,465 18,930

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

18,930 9,465 28,396 14,198 7,099 21,298 10,649 31,948 15,974 7,987 23,962 11,981 35,944 17,972 8,986 4,493 13,480 6,740 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4

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