3² × 7 × 103²

Prime Factor Structure

Factorization String 3^2 × 7 × 103^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,114,152

Proper Divisor Sum 445,785

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #668347 ← → #668407

1 3 7 9 21 63 103 309 721 927 2,163 6,489 10,609 31,827 74,263 95,481 222,789 668,367

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

668,367 2,005,102 1,002,551 3,007,654 1,503,827 4,511,482 2,255,741 6,767,224 3,383,612 1,691,806 845,903 2,537,710 1,268,855 3,806,566 1,903,283 5,709,850 2,854,925 8,564,776 4,282,388 2,141,194 1,070,597 3,211,792 1,605,896 802,948 401,474 200,737 602,212 301,106 150,553 451,660 225,830 112,915 338,746 169,373 508,120 254,060 127,030 63,515 190,546 95,273 285,820 142,910 71,455 214,366 107,183 321,550 160,775 482,326 241,163 723,490 361,745 1,085,236 542,618 271,309 813,928 406,964 203,482 101,741 305,224 152,612

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