2² × 5 × 61 × 353

Prime Factor Structure

Factorization String 2^2 × 5 × 61 × 353

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 921,816

Proper Divisor Sum 491,156

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #430649 ← → #430663

1 2 4 5 10 20 61 122 244 305 353 610 706 1,220 1,412 1,765 3,530 7,060 21,533 43,066 86,132 107,665 215,330 430,660

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

430,660 215,330 107,665 322,996 161,498 80,749 242,248 121,124 60,562 30,281 90,844 45,422 22,711 68,134 34,067 102,202 51,101 153,304 76,652 38,326 19,163 57,490 28,745 86,236 43,118 21,559 64,678 32,339 97,018 48,509 145,528 72,764 36,382 18,191 54,574 27,287 81,862 40,931 122,794 61,397 184,192 92,096 46,048 23,024 11,512 5,756 2,878 1,439 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402

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