2³ × 3 × 5 × 7 × 257

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 7 × 257

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 743,040

Proper Divisor Sum 527,160

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #215863 ← → #215893

1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 257 280 420 514 771 840 1,028 1,285 1,542 1,799 2,056 2,570 3,084 3,598 3,855 5,140 5,397 6,168 7,196 7,710 8,995 10,280 10,794 14,392 15,420 17,990 21,588 26,985 30,840 35,980 43,176

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

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