2 × 3 × 11 × 17 × 19

Prime Factor Structure

Factorization String 2 × 3 × 11 × 17 × 19

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 51,840

Proper Divisor Sum 30,522

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #21317 ← → #21319

1 2 3 6 11 17 19 22 33 34 38 51 57 66 102 114 187 209 323 374 418 561 627 646 969 1,122 1,254 1,938 3,553 7,106 10,659 21,318

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

21,318 10,659 31,978 15,989 47,968 23,984 11,992 5,996 2,998 1,499 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 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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