2 × 3² × 29 × 821

Prime Factor Structure

Factorization String 2 × 3^2 × 29 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 961,740

Proper Divisor Sum 533,178

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #428557 ← → #428563

1 2 3 6 9 18 29 58 87 174 261 522 821 1,642 2,463 4,926 7,389 14,778 23,809 47,618 71,427 142,854 214,281 428,562

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

428,562 214,281 642,844 321,422 160,711 482,134 241,067 723,202 361,601 1,084,804 542,402 271,201 813,604 406,802 203,401 610,204 305,102 152,551 457,654 228,827 686,482 343,241 1,029,724 514,862 257,431 772,294 386,147 1,158,442 579,221 1,737,664 868,832 434,416 217,208 108,604 54,302 27,151 81,454 40,727 122,182 61,091 183,274 91,637 274,912 137,456 68,728 34,364 17,182 8,591 25,774 12,887 38,662 19,331 57,994 28,997 86,992 43,496 21,748 10,874 5,437 16,312

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