139 × 2081

Prime Factor Structure

Factorization String 139 × 2081

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 291,480

Proper Divisor Sum 2,221

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #289253 ← → #289273

1 139 2,081 289,259

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

289,259 867,778 433,889 1,301,668 650,834 325,417 976,252 488,126 244,063 732,190 366,095 1,098,286 549,143 1,647,430 823,715 2,471,146 1,235,573 3,706,720 1,853,360 926,680 463,340 231,670 115,835 347,506 173,753 521,260 260,630 130,315 390,946 195,473 586,420 293,210 146,605 439,816 219,908 109,954 54,977 164,932 82,466 41,233 123,700 61,850 30,925 92,776 46,388 23,194 11,597 34,792 17,396 8,698 4,349 13,048 6,524 3,262 1,631 4,894 2,447 7,342 3,671 11,014

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