3³ × 13 × 31 × 59

Prime Factor Structure

Factorization String 3^3 × 13 × 31 × 59

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,075,200

Proper Divisor Sum 433,221

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #641969 ← → #641981

1 3 9 13 27 31 39 59 93 117 177 279 351 403 531 767 837 1,209 1,593 1,829 2,301 3,627 5,487 6,903 10,881 16,461 20,709 23,777 49,383 71,331 213,993 641,979

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

641,979 1,925,938 962,969 2,888,908 1,444,454 722,227 2,166,682 1,083,341 3,250,024 1,625,012 812,506 406,253 1,218,760 609,380 304,690 152,345 457,036 228,518 114,259 342,778 171,389 514,168 257,084 128,542 64,271 192,814 96,407 289,222 144,611 433,834 216,917 650,752 325,376 162,688 81,344 40,672 20,336 10,168 5,084 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682

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