2² × 5 × 11 × 907

Prime Factor Structure

Factorization String 2^2 × 5 × 11 × 907

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 457,632

Proper Divisor Sum 258,092

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #199523 ← → #199559

1 2 4 5 10 11 20 22 44 55 110 220 907 1,814 3,628 4,535 9,070 9,977 18,140 19,954 39,908 49,885 99,770 199,540

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

199,540 99,770 49,885 149,656 74,828 37,414 18,707 56,122 28,061 84,184 42,092 21,046 10,523 31,570 15,785 47,356 23,678 11,839 35,518 17,759 53,278 26,639 79,918 39,959 119,878 59,939 179,818 89,909 269,728 134,864 67,432 33,716 16,858 8,429 25,288 12,644 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612

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