2² × 7 × 13 × 157

Prime Factor Structure

Factorization String 2^2 × 7 × 13 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 123,872

Proper Divisor Sum 66,724

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #57143 ← → #57149

1 2 4 7 13 14 26 28 52 91 157 182 314 364 628 1,099 2,041 2,198 4,082 4,396 8,164 14,287 28,574 57,148

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

57,148 28,574 14,287 42,862 21,431 64,294 32,147 96,442 48,221 144,664 72,332 36,166 18,083 54,250 27,125 81,376 40,688 20,344 10,172 5,086 2,543 7,630 3,815 11,446 5,723 17,170 8,585 25,756 12,878 6,439 19,318 9,659 28,978 14,489 43,468 21,734 10,867 32,602 16,301 48,904 24,452 12,226 6,113 18,340 9,170 4,585 13,756 6,878 3,439 10,318 5,159 15,478 7,739 23,218 11,609 34,828 17,414 8,707 26,122 13,061

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