3² × 7² × 1487

Prime Factor Structure

Factorization String 3^2 × 7^2 × 1487

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,102,608

Proper Divisor Sum 446,841

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #655757 ← → #655807

1 3 7 9 21 49 63 147 441 1,487 4,461 10,409 13,383 31,227 72,863 93,681 218,589 655,767

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

655,767 1,967,302 983,651 2,950,954 1,475,477 4,426,432 2,213,216 1,106,608 553,304 276,652 138,326 69,163 207,490 103,745 311,236 155,618 77,809 233,428 116,714 58,357 175,072 87,536 43,768 21,884 10,942 5,471 16,414 8,207 24,622 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695

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