2² × 7 × 31 × 331

Prime Factor Structure

Factorization String 2^2 × 7 × 31 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 594,944

Proper Divisor Sum 307,636

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #287297 ← → #287321

1 2 4 7 14 28 31 62 124 217 331 434 662 868 1,324 2,317 4,634 9,268 10,261 20,522 41,044 71,827 143,654 287,308

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

287,308 143,654 71,827 215,482 107,741 323,224 161,612 80,806 40,403 121,210 60,605 181,816 90,908 45,454 22,727 68,182 34,091 102,274 51,137 153,412 76,706 38,353 115,060 57,530 28,765 86,296 43,148 21,574 10,787 32,362 16,181 48,544 24,272 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834

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