19 × 21163

Prime Factor Structure

Factorization String 19 × 21163

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 423,280

Proper Divisor Sum 21,183

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #402091 ← → #402107

1 19 21,163 402,097

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

402,097 1,206,292 603,146 301,573 904,720 452,360 226,180 113,090 56,545 169,636 84,818 42,409 127,228 63,614 31,807 95,422 47,711 143,134 71,567 214,702 107,351 322,054 161,027 483,082 241,541 724,624 362,312 181,156 90,578 45,289 135,868 67,934 33,967 101,902 50,951 152,854 76,427 229,282 114,641 343,924 171,962 85,981 257,944 128,972 64,486 32,243 96,730 48,365 145,096 72,548 36,274 18,137 54,412 27,206 13,603 40,810 20,405 61,216 30,608 15,304

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