2² × 5 × 131 × 197

Prime Factor Structure

Factorization String 2^2 × 5 × 131 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,097,712

Proper Divisor Sum 581,572

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #516127 ← → #516151

1 2 4 5 10 20 131 197 262 394 524 655 788 985 1,310 1,970 2,620 3,940 25,807 51,614 103,228 129,035 258,070 516,140

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

516,140 258,070 129,035 387,106 193,553 580,660 290,330 145,165 435,496 217,748 108,874 54,437 163,312 81,656 40,828 20,414 10,207 30,622 15,311 45,934 22,967 68,902 34,451 103,354 51,677 155,032 77,516 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088 2,044 1,022 511 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682

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