2² × 5 × 29 × 443

Prime Factor Structure

Factorization String 2^2 × 5 × 29 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 559,440

Proper Divisor Sum 302,500

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #256939 ← → #256957

1 2 4 5 10 20 29 58 116 145 290 443 580 886 1,772 2,215 4,430 8,860 12,847 25,694 51,388 64,235 128,470 256,940

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

256,940 128,470 64,235 192,706 96,353 289,060 144,530 72,265 216,796 108,398 54,199 162,598 81,299 243,898 121,949 365,848 182,924 91,462 45,731 137,194 68,597 205,792 102,896 51,448 25,724 12,862 6,431 19,294 9,647 28,942 14,471 43,414 21,707 65,122 32,561 97,684 48,842 24,421 73,264 36,632 18,316 9,158 4,579 13,738 6,869 20,608 10,304 5,152 2,576 1,288 644 322 161 484 242 121 364 182 91 274

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