2 × 13² × 63299

Prime Factor Structure

Factorization String 2 × 13^2 × 63299

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 34,751,700

Proper Divisor Sum 13,356,638

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21395047 ← → #21395063

1 2 13 26 169 338 63,299 126,598 822,887 1,645,774 10,697,531 21,395,062

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

21,395,062 10,697,531 32,092,594 16,046,297 48,138,892 24,069,446 12,034,723 36,104,170 18,052,085 54,156,256 27,078,128 13,539,064 6,769,532 3,384,766 1,692,383 5,077,150 2,538,575 7,615,726 3,807,863 11,423,590 5,711,795 17,135,386 8,567,693 25,703,080 12,851,540 6,425,770 3,212,885 9,638,656 4,819,328 2,409,664 1,204,832 602,416 301,208 150,604 75,302 37,651 112,954 56,477 169,432 84,716 42,358 21,179 63,538 31,769 95,308 47,654 23,827 71,482 35,741 107,224 53,612 26,806 13,403 40,210 20,105 60,316 30,158 15,079 45,238 22,619

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