2² × 37 × 191 × 757

Prime Factor Structure

Factorization String 2^2 × 37 × 191 × 757

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 38,712,576

Proper Divisor Sum 17,313,700

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #21398873 ← → #21398899

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

21,398,876 10,699,438 5,349,719 16,049,158 8,024,579 24,073,738 12,036,869 36,110,608 18,055,304 9,027,652 4,513,826 2,256,913 6,770,740 3,385,370 1,692,685 5,078,056 2,539,028 1,269,514 634,757 1,904,272 952,136 476,068 238,034 119,017 357,052 178,526 89,263 267,790 133,895 401,686 200,843 602,530 301,265 903,796 451,898 225,949 677,848 338,924 169,462 84,731 254,194 127,097 381,292 190,646 95,323 285,970 142,985 428,956 214,478 107,239 321,718 160,859 482,578 241,289 723,868 361,934 180,967 542,902 271,451 814,354

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