2² × 5 × 53 × 163

Prime Factor Structure

Factorization String 2^2 × 5 × 53 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 371,952

Proper Divisor Sum 199,172

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #172759 ← → #172787

1 2 4 5 10 20 53 106 163 212 265 326 530 652 815 1,060 1,630 3,260 8,639 17,278 34,556 43,195 86,390 172,780

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

172,780 86,390 43,195 129,586 64,793 194,380 97,190 48,595 145,786 72,893 218,680 109,340 54,670 27,335 82,006 41,003 123,010 61,505 184,516 92,258 46,129 138,388 69,194 34,597 103,792 51,896 25,948 12,974 6,487 19,462 9,731 29,194 14,597 43,792 21,896 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184

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