5² × 337 × 2539

Prime Factor Structure

Factorization String 5^2 × 337 × 2539

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 26,614,120

Proper Divisor Sum 5,223,045

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21391057 ← → #21391091

1 5 25 337 1,685 2,539 8,425 12,695 63,475 855,643 4,278,215 21,391,075

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

21,391,075 64,173,226 32,086,613 96,259,840 48,129,920 24,064,960 12,032,480 6,016,240 3,008,120 1,504,060 752,030 376,015 1,128,046 564,023 1,692,070 846,035 2,538,106 1,269,053 3,807,160 1,903,580 951,790 475,895 1,427,686 713,843 2,141,530 1,070,765 3,212,296 1,606,148 803,074 401,537 1,204,612 602,306 301,153 903,460 451,730 225,865 677,596 338,798 169,399 508,198 254,099 762,298 381,149 1,143,448 571,724 285,862 142,931 428,794 214,397 643,192 321,596 160,798 80,399 241,198 120,599 361,798 180,899 542,698 271,349 814,048

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