3 × 7 × 21499

Prime Factor Structure

Factorization String 3 × 7 × 21499

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 688,000

Proper Divisor Sum 236,521

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #451441 ← → #451481

1 3 7 21 21,499 64,497 150,493 451,479

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

451,479 1,354,438 677,219 2,031,658 1,015,829 3,047,488 1,523,744 761,872 380,936 190,468 95,234 47,617 142,852 71,426 35,713 107,140 53,570 26,785 80,356 40,178 20,089 60,268 30,134 15,067 45,202 22,601 67,804 33,902 16,951 50,854 25,427 76,282 38,141 114,424 57,212 28,606 14,303 42,910 21,455 64,366 32,183 96,550 48,275 144,826 72,413 217,240 108,620 54,310 27,155 81,466 40,733 122,200 61,100 30,550 15,275 45,826 22,913 68,740 34,370 17,185

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