19 × 61 × 251

Prime Factor Structure

Factorization String 19 × 61 × 251

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 312,480

Proper Divisor Sum 21,571

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #290897 ← → #290923

1 19 61 251 1,159 4,769 15,311 290,909

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

290,909 872,728 436,364 218,182 109,091 327,274 163,637 490,912 245,456 122,728 61,364 30,682 15,341 46,024 23,012 11,506 5,753 17,260 8,630 4,315 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 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 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310

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