139 × 2221

Prime Factor Structure

Factorization String 139 × 2221

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 311,080

Proper Divisor Sum 2,361

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #308713 ← → #308723

1 139 2,221 308,719

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

308,719 926,158 463,079 1,389,238 694,619 2,083,858 1,041,929 3,125,788 1,562,894 781,447 2,344,342 1,172,171 3,516,514 1,758,257 5,274,772 2,637,386 1,318,693 3,956,080 1,978,040 989,020 494,510 247,255 741,766 370,883 1,112,650 556,325 1,668,976 834,488 417,244 208,622 104,311 312,934 156,467 469,402 234,701 704,104 352,052 176,026 88,013 264,040 132,020 66,010 33,005 99,016 49,508 24,754 12,377 37,132 18,566 9,283 27,850 13,925 41,776 20,888 10,444 5,222 2,611 7,834 3,917 11,752

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