13 × 137 × 353

Prime Factor Structure

Factorization String 13 × 137 × 353

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 683,928

Proper Divisor Sum 55,235

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #628687 ← → #628699

1 13 137 353 1,781 4,589 48,361 628,693

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

628,693 1,886,080 943,040 471,520 235,760 117,880 58,940 29,470 14,735 44,206 22,103 66,310 33,155 99,466 49,733 149,200 74,600 37,300 18,650 9,325 27,976 13,988 6,994 3,497 10,492 5,246 2,623 7,870 3,935 11,806 5,903 17,710 8,855 26,566 13,283 39,850 19,925 59,776 29,888 14,944 7,472 3,736 1,868 934 467 1,402 701 2,104 1,052 526 263 790 395 1,186 593 1,780 890 445 1,336 668

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