21,364,049

7² × 79 × 5519

Prime Factor Structure

Factorization String 7^2 × 79 × 5519

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 25,171,200

Proper Divisor Sum 3,807,151

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21364009 ← → #21364061

1 7 49 79 553 3,871 5,519 38,633 270,431 436,001 3,052,007 21,364,049

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

21,364,049 64,092,148 32,046,074 16,023,037 48,069,112 24,034,556 12,017,278 6,008,639 18,025,918 9,012,959 27,038,878 13,519,439 40,558,318 20,279,159 60,837,478 30,418,739 91,256,218 45,628,109 136,884,328 68,442,164 34,221,082 17,110,541 51,331,624 25,665,812 12,832,906 6,416,453 19,249,360 9,624,680 4,812,340 2,406,170 1,203,085 3,609,256 1,804,628 902,314 451,157 1,353,472 676,736 338,368 169,184 84,592 42,296 21,148 10,574 5,287 15,862 7,931 23,794 11,897 35,692 17,846 8,923 26,770 13,385 40,156 20,078 10,039 30,118 15,059 45,178 22,589

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