3 × 53 × 83 × 163

Prime Factor Structure

Factorization String 3 × 53 × 83 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,975,616

Proper Divisor Sum 824,505

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #2151101 ← → #2151119

1 3 53 83 159 163 249 489 4,399 8,639 13,197 13,529 25,917 40,587 717,037 2,151,111

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

2,151,111 6,453,334 3,226,667 9,680,002 4,840,001 14,520,004 7,260,002 3,630,001 10,890,004 5,445,002 2,722,501 8,167,504 4,083,752 2,041,876 1,020,938 510,469 1,531,408 765,704 382,852 191,426 95,713 287,140 143,570 71,785 215,356 107,678 53,839 161,518 80,759 242,278 121,139 363,418 181,709 545,128 272,564 136,282 68,141 204,424 102,212 51,106 25,553 76,660 38,330 19,165 57,496 28,748 14,374 7,187 21,562 10,781 32,344 16,172 8,086 4,043 12,130 6,065 18,196 9,098 4,549 13,648

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