312,690

2 × 3 × 5 × 7 × 1489

Prime Factor Structure

Factorization String 2 × 3 × 5 × 7 × 1489

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 858,240

Proper Divisor Sum 545,550

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #312679 ← → #312701

1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1,489 2,978 4,467 7,445 8,934 10,423 14,890 20,846 22,335 31,269 44,670 52,115 62,538 104,230 156,345 312,690

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

312,690 156,345 469,036 234,518 117,259 351,778 175,889 527,668 263,834 131,917 395,752 197,876 98,938 49,469 148,408 74,204 37,102 18,551 55,654 27,827 83,482 41,741 125,224 62,612 31,306 15,653 46,960 23,480 11,740 5,870 2,935 8,806 4,403 13,210 6,605 19,816 9,908 4,954 2,477 7,432 3,716 1,858 929 2,788 1,394 697 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332

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