2³ × 5 × 16631

Prime Factor Structure

Factorization String 2^3 × 5 × 16631

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,496,880

Proper Divisor Sum 831,640

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #665239 ← → #665251

1 2 4 5 8 10 20 40 16,631 33,262 66,524 83,155 133,048 166,310 332,620 665,240

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

665,240 332,620 166,310 83,155 249,466 124,733 374,200 187,100 93,550 46,775 140,326 70,163 210,490 105,245 315,736 157,868 78,934 39,467 118,402 59,201 177,604 88,802 44,401 133,204 66,602 33,301 99,904 49,952 24,976 12,488 6,244 3,122 1,561 4,684 2,342 1,171 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

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