3 × 19 × 353

Prime Factor Structure

Factorization String 3 × 19 × 353

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 28,320

Proper Divisor Sum 8,199

Digit Sum / Digital Root 6 (Root: 6)

Adjacent Primes #20117 ← → #20123

1 3 19 57 353 1,059 6,707 20,121

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

20,121 60,364 30,182 15,091 45,274 22,637 67,912 33,956 16,978 8,489 25,468 12,734 6,367 19,102 9,551 28,654 14,327 42,982 21,491 64,474 32,237 96,712 48,356 24,178 12,089 36,268 18,134 9,067 27,202 13,601 40,804 20,402 10,201 30,604 15,302 7,651 22,954 11,477 34,432 17,216 8,608 4,304 2,152 1,076 538 269 808 404 202 101 304 152 76 38 19 58 29 88 44 22

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