3 × 5 × 7 × 6101

Prime Factor Structure

Factorization String 3 × 5 × 7 × 6101

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,171,584

Proper Divisor Sum 530,979

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #640589 ← → #640613

1 3 5 7 15 21 35 105 6,101 18,303 30,505 42,707 91,515 128,121 213,535 640,605

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

640,605 1,921,816 960,908 480,454 240,227 720,682 360,341 1,081,024 540,512 270,256 135,128 67,564 33,782 16,891 50,674 25,337 76,012 38,006 19,003 57,010 28,505 85,516 42,758 21,379 64,138 32,069 96,208 48,104 24,052 12,026 6,013 18,040 9,020 4,510 2,255 6,766 3,383 10,150 5,075 15,226 7,613 22,840 11,420 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067

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