19 × 137 × 157

Prime Factor Structure

Factorization String 19 × 137 × 157

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 436,080

Proper Divisor Sum 27,409

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #408659 ← → #408677

1 19 137 157 2,603 2,983 21,509 408,671

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

408,671 1,226,014 613,007 1,839,022 919,511 2,758,534 1,379,267 4,137,802 2,068,901 6,206,704 3,103,352 1,551,676 775,838 387,919 1,163,758 581,879 1,745,638 872,819 2,618,458 1,309,229 3,927,688 1,963,844 981,922 490,961 1,472,884 736,442 368,221 1,104,664 552,332 276,166 138,083 414,250 207,125 621,376 310,688 155,344 77,672 38,836 19,418 9,709 29,128 14,564 7,282 3,641 10,924 5,462 2,731 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594

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