2² × 5 × 13² × 17

Prime Factor Structure

Factorization String 2^2 × 5 × 13^2 × 17

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 138,348

Proper Divisor Sum 80,888

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #57457 ← → #57467

1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 169 170 221 260 338 340 442 676 845 884 1,105 1,690 2,210 2,873 3,380 4,420 5,746 11,492 14,365 28,730 57,460

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

57,460 28,730 14,365 43,096 21,548 10,774 5,387 16,162 8,081 24,244 12,122 6,061 18,184 9,092 4,546 2,273 6,820 3,410 1,705 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

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