3 × 7 × 21739

Prime Factor Structure

Factorization String 3 × 7 × 21739

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 695,680

Proper Divisor Sum 239,161

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #456517 ← → #456523

1 3 7 21 21,739 65,217 152,173 456,519

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

456,519 1,369,558 684,779 2,054,338 1,027,169 3,081,508 1,540,754 770,377 2,311,132 1,155,566 577,783 1,733,350 866,675 2,600,026 1,300,013 3,900,040 1,950,020 975,010 487,505 1,462,516 731,258 365,629 1,096,888 548,444 274,222 137,111 411,334 205,667 617,002 308,501 925,504 462,752 231,376 115,688 57,844 28,922 14,461 43,384 21,692 10,846 5,423 16,270 8,135 24,406 12,203 36,610 18,305 54,916 27,458 13,729 41,188 20,594 10,297 30,892 15,446 7,723 23,170 11,585 34,756 17,378

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