7 × 13 × 5639

Prime Factor Structure

Factorization String 7 × 13 × 5639

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 631,680

Proper Divisor Sum 118,531

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #513137 ← → #513157

1 7 13 91 5,639 39,473 73,307 513,149

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

513,149 1,539,448 769,724 384,862 192,431 577,294 288,647 865,942 432,971 1,298,914 649,457 1,948,372 974,186 487,093 1,461,280 730,640 365,320 182,660 91,330 45,665 136,996 68,498 34,249 102,748 51,374 25,687 77,062 38,531 115,594 57,797 173,392 86,696 43,348 21,674 10,837 32,512 16,256 8,128 4,064 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280

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