2 × 3 × 5 × 2221

Prime Factor Structure

Factorization String 2 × 3 × 5 × 2221

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 159,984

Proper Divisor Sum 93,354

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #66629 ← → #66643

1 2 3 5 6 10 15 30 2,221 4,442 6,663 11,105 13,326 22,210 33,315 66,630

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

66,630 33,315 99,946 49,973 149,920 74,960 37,480 18,740 9,370 4,685 14,056 7,028 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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