139 × 1861

Prime Factor Structure

Factorization String 139 × 1861

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 260,680

Proper Divisor Sum 2,001

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #258677 ← → #258691

1 139 1,861 258,679

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

258,679 776,038 388,019 1,164,058 582,029 1,746,088 873,044 436,522 218,261 654,784 327,392 163,696 81,848 40,924 20,462 10,231 30,694 15,347 46,042 23,021 69,064 34,532 17,266 8,633 25,900 12,950 6,475 19,426 9,713 29,140 14,570 7,285 21,856 10,928 5,464 2,732 1,366 683 2,050 1,025 3,076 1,538 769 2,308 1,154 577 1,732 866 433 1,300 650 325 976 488 244 122 61 184 92 46

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