3² × 7 × 13²

Prime Factor Structure

Factorization String 3^2 × 7 × 13^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 19,032

Proper Divisor Sum 8,385

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #10639 ← → #10651

1 3 7 9 13 21 39 63 91 117 169 273 507 819 1,183 1,521 3,549 10,647

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

10,647 31,942 15,971 47,914 23,957 71,872 35,936 17,968 8,984 4,492 2,246 1,123 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 2 1

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