2 × 7 × 137 × 359

Prime Factor Structure

Factorization String 2 × 7 × 137 × 359

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,192,320

Proper Divisor Sum 503,758

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #688561 ← → #688573

1 2 7 14 137 274 359 718 959 1,918 2,513 5,026 49,183 98,366 344,281 688,562

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

688,562 344,281 1,032,844 516,422 258,211 774,634 387,317 1,161,952 580,976 290,488 145,244 72,622 36,311 108,934 54,467 163,402 81,701 245,104 122,552 61,276 30,638 15,319 45,958 22,979 68,938 34,469 103,408 51,704 25,852 12,926 6,463 19,390 9,695 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.