13 × 17 × 19 × 157

Prime Factor Structure

Factorization String 13 × 17 × 19 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 796,320

Proper Divisor Sum 137,077

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #659237 ← → #659251

1 13 17 19 157 221 247 323 2,041 2,669 2,983 4,199 34,697 38,779 50,711 659,243

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

659,243 1,977,730 988,865 2,966,596 1,483,298 741,649 2,224,948 1,112,474 556,237 1,668,712 834,356 417,178 208,589 625,768 312,884 156,442 78,221 234,664 117,332 58,666 29,333 88,000 44,000 22,000 11,000 5,500 2,750 1,375 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20

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