2² × 7 × 31 × 149

Prime Factor Structure

Factorization String 2^2 × 7 × 31 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 268,800

Proper Divisor Sum 139,468

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #129313 ← → #129341

1 2 4 7 14 28 31 62 124 149 217 298 434 596 868 1,043 2,086 4,172 4,619 9,238 18,476 32,333 64,666 129,332

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

129,332 64,666 32,333 97,000 48,500 24,250 12,125 36,376 18,188 9,094 4,547 13,642 6,821 20,464 10,232 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137

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