2² × 5² × 6691

Prime Factor Structure

Factorization String 2^2 × 5^2 × 6691

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,452,164

Proper Divisor Sum 783,064

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #669091 ← → #669107

1 2 4 5 10 20 25 50 100 6,691 13,382 26,764 33,455 66,910 133,820 167,275 334,550 669,100

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

669,100 334,550 167,275 501,826 250,913 752,740 376,370 188,185 564,556 282,278 141,139 423,418 211,709 635,128 317,564 158,782 79,391 238,174 119,087 357,262 178,631 535,894 267,947 803,842 401,921 1,205,764 602,882 301,441 904,324 452,162 226,081 678,244 339,122 169,561 508,684 254,342 127,171 381,514 190,757 572,272 286,136 143,068 71,534 35,767 107,302 53,651 160,954 80,477 241,432 120,716 60,358 30,179 90,538 45,269 135,808 67,904 33,952 16,976 8,488 4,244

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