2² × 3² × 17 × 31

Prime Factor Structure

Factorization String 2^2 × 3^2 × 17 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 52,416

Proper Divisor Sum 33,444

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #18959 ← → #18973

1 2 3 4 6 9 12 17 18 31 34 36 51 62 68 93 102 124 153 186 204 279 306 372 527 558 612 1,054 1,116 1,581 2,108 3,162 4,743 6,324 9,486 18,972

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

18,972 9,486 4,743 14,230 7,115 21,346 10,673 32,020 16,010 8,005 24,016 12,008 6,004 3,002 1,501 4,504 2,252 1,126 563 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 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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