2 × 3 × 13 × 8291

Prime Factor Structure

Factorization String 2 × 3 × 13 × 8291

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,393,056

Proper Divisor Sum 746,358

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #646687 ← → #646721

1 2 3 6 13 26 39 78 8,291 16,582 24,873 49,746 107,783 215,566 323,349 646,698

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

646,698 323,349 970,048 485,024 242,512 121,256 60,628 30,314 15,157 45,472 22,736 11,368 5,684 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 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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