2² × 17 × 31 × 61

Prime Factor Structure

Factorization String 2^2 × 17 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 249,984

Proper Divisor Sum 121,396

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #128563 ← → #128591

1 2 4 17 31 34 61 62 68 122 124 244 527 1,037 1,054 1,891 2,074 2,108 3,782 4,148 7,564 32,147 64,294 128,588

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

128,588 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 39,184 19,592 9,796 4,898

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