1381 × 12689

Prime Factor Structure

Factorization String 1381 × 12689

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 17,537,580

Proper Divisor Sum 14,071

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #17523479 ← → #17523521

1 1,381 12,689 17,523,509

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

17,523,509 52,570,528 26,285,264 13,142,632 6,571,316 3,285,658 1,642,829 4,928,488 2,464,244 1,232,122 616,061 1,848,184 924,092 462,046 231,023 693,070 346,535 1,039,606 519,803 1,559,410 779,705 2,339,116 1,169,558 584,779 1,754,338 877,169 2,631,508 1,315,754 657,877 1,973,632 986,816 493,408 246,704 123,352 61,676 30,838 15,419 46,258 23,129 69,388 34,694 17,347 52,042 26,021 78,064 39,032 19,516 9,758 4,879 14,638 7,319 21,958 10,979 32,938 16,469 49,408 24,704 12,352 6,176 3,088

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