2 × 5 × 7 × 5581

Prime Factor Structure

Factorization String 2 × 5 × 7 × 5581

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 803,808

Proper Divisor Sum 413,138

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #390653 ← → #390671

1 2 5 7 10 14 35 70 5,581 11,162 27,905 39,067 55,810 78,134 195,335 390,670

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

390,670 195,335 586,006 293,003 879,010 439,505 1,318,516 659,258 329,629 988,888 494,444 247,222 123,611 370,834 185,417 556,252 278,126 139,063 417,190 208,595 625,786 312,893 938,680 469,340 234,670 117,335 352,006 176,003 528,010 264,005 792,016 396,008 198,004 99,002 49,501 148,504 74,252 37,126 18,563 55,690 27,845 83,536 41,768 20,884 10,442 5,221 15,664 7,832 3,916 1,958 979 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482

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