2³ × 5 × 647

Prime Factor Structure

Factorization String 2^3 × 5 × 647

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 58,320

Proper Divisor Sum 32,440

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #25873 ← → #25889

1 2 4 5 8 10 20 40 647 1,294 2,588 3,235 5,176 6,470 12,940 25,880

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

25,880 12,940 6,470 3,235 9,706 4,853 14,560 7,280 3,640 1,820 910 455 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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