2³ × 5 × 7 × 139

Prime Factor Structure

Factorization String 2^3 × 5 × 7 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 100,800

Proper Divisor Sum 61,880

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #38917 ← → #38921

1 2 4 5 7 8 10 14 20 28 35 40 56 70 139 140 278 280 556 695 973 1,112 1,390 1,946 2,780 3,892 4,865 5,560 7,784 9,730 19,460 38,920

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

38,920 19,460 9,730 4,865 14,596 7,298 3,649 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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