2 × 19 × 17921

Prime Factor Structure

Factorization String 2 × 19 × 17921

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,075,320

Proper Divisor Sum 394,322

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #680993 ← → #681001

1 2 19 38 17,921 35,842 340,499 680,998

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

680,998 340,499 1,021,498 510,749 1,532,248 766,124 383,062 191,531 574,594 287,297 861,892 430,946 215,473 646,420 323,210 161,605 484,816 242,408 121,204 60,602 30,301 90,904 45,452 22,726 11,363 34,090 17,045 51,136 25,568 12,784 6,392 3,196 1,598 799 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722

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