13 × 13921

Prime Factor Structure

Factorization String 13 × 13921

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 194,908

Proper Divisor Sum 13,935

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #180959 ← → #181001

1 13 13,921 180,973

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

180,973 542,920 271,460 135,730 67,865 203,596 101,798 50,899 152,698 76,349 229,048 114,524 57,262 28,631 85,894 42,947 128,842 64,421 193,264 96,632 48,316 24,158 12,079 36,238 18,119 54,358 27,179 81,538 40,769 122,308 61,154 30,577 91,732 45,866 22,933 68,800 34,400 17,200 8,600 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32

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