3 × 13 × 19 × 43

Prime Factor Structure

Factorization String 3 × 13 × 19 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 49,280

Proper Divisor Sum 17,417

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #31859 ← → #31873

1 3 13 19 39 43 57 129 247 559 741 817 1,677 2,451 10,621 31,863

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

31,863 95,590 47,795 143,386 71,693 215,080 107,540 53,770 26,885 80,656 40,328 20,164 10,082 5,041 15,124 7,562 3,781 11,344 5,672 2,836 1,418 709 2,128 1,064 532 266 133 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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