2 × 5 × 7² × 139

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 143,640

Proper Divisor Sum 75,530

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #68099 ← → #68111

1 2 5 7 10 14 35 49 70 98 139 245 278 490 695 973 1,390 1,946 4,865 6,811 9,730 13,622 34,055 68,110

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

68,110 34,055 102,166 51,083 153,250 76,625 229,876 114,938 57,469 172,408 86,204 43,102 21,551 64,654 32,327 96,982 48,491 145,474 72,737 218,212 109,106 54,553 163,660 81,830 40,915 122,746 61,373 184,120 92,060 46,030 23,015 69,046 34,523 103,570 51,785 155,356 77,678 38,839 116,518 58,259 174,778 87,389 262,168 131,084 65,542 32,771 98,314 49,157 147,472 73,736 36,868 18,434 9,217 27,652 13,826 6,913 20,740 10,370 5,185 15,556

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