2³ × 5 × 7 × 257

Prime Factor Structure

Factorization String 2^3 × 5 × 7 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 185,760

Proper Divisor Sum 113,800

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #71947 ← → #71963

1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 257 280 514 1,028 1,285 1,799 2,056 2,570 3,598 5,140 7,196 8,995 10,280 14,392 17,990 35,980 71,960

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

71,960 35,980 17,990 8,995 26,986 13,493 40,480 20,240 10,120 5,060 2,530 1,265 3,796 1,898 949 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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