3 × 7 × 2551

Prime Factor Structure

Factorization String 3 × 7 × 2551

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 81,664

Proper Divisor Sum 28,093

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #53569 ← → #53591

1 3 7 21 2,551 7,653 17,857 53,571

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

53,571 160,714 80,357 241,072 120,536 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 51,556 25,778 12,889 38,668 19,334 9,667 29,002 14,501 43,504 21,752 10,876 5,438 2,719 8,158 4,079 12,238

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