3 × 13 × 1621

Prime Factor Structure

Factorization String 3 × 13 × 1621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 90,832

Proper Divisor Sum 27,613

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #63211 ← → #63241

1 3 13 39 1,621 4,863 21,073 63,219

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

63,219 189,658 94,829 284,488 142,244 71,122 35,561 106,684 53,342 26,671 80,014 40,007 120,022 60,011 180,034 90,017 270,052 135,026 67,513 202,540 101,270 50,635 151,906 75,953 227,860 113,930 56,965 170,896 85,448 42,724 21,362 10,681 32,044 16,022 8,011 24,034 12,017 36,052 18,026 9,013 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404

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