2³ × 5 × 17 × 317

Prime Factor Structure

Factorization String 2^3 × 5 × 17 × 317

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 515,160

Proper Divisor Sum 299,600

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #215531 ← → #215563

1 2 4 5 8 10 17 20 34 40 68 85 136 170 317 340 634 680 1,268 1,585 2,536 3,170 5,389 6,340 10,778 12,680 21,556 26,945 43,112 53,890 107,780 215,560

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

215,560 107,780 53,890 26,945 80,836 40,418 20,209 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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