139 × 4007

Prime Factor Structure

Factorization String 139 × 4007

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 561,120

Proper Divisor Sum 4,147

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #556967 ← → #556981

1 139 4,007 556,973

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

556,973 1,670,920 835,460 417,730 208,865 626,596 313,298 156,649 469,948 234,974 117,487 352,462 176,231 528,694 264,347 793,042 396,521 1,189,564 594,782 297,391 892,174 446,087 1,338,262 669,131 2,007,394 1,003,697 3,011,092 1,505,546 752,773 2,258,320 1,129,160 564,580 282,290 141,145 423,436 211,718 105,859 317,578 158,789 476,368 238,184 119,092 59,546 29,773 89,320 44,660 22,330 11,165 33,496 16,748 8,374 4,187 12,562 6,281 18,844 9,422 4,711 14,134 7,067 21,202

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