2² × 3 × 13 × 257

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 101,136

Proper Divisor Sum 61,044

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #40087 ← → #40093

1 2 3 4 6 12 13 26 39 52 78 156 257 514 771 1,028 1,542 3,084 3,341 6,682 10,023 13,364 20,046 40,092

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

40,092 20,046 10,023 30,070 15,035 45,106 22,553 67,660 33,830 16,915 50,746 25,373 76,120 38,060 19,030 9,515 28,546 14,273 42,820 21,410 10,705 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034 4,517 13,552 6,776 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682 341 1,024 512 256

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