3³ × 257 × 3137

Prime Factor Structure

Factorization String 3^3 × 257 × 3137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,384,160

Proper Divisor Sum 10,616,517

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21767639 ← → #21767659

1 3 9 27 257 771 2,313 3,137 6,939 9,411 28,233 84,699 806,209 2,418,627 7,255,881 21,767,643

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

21,767,643 65,302,930 32,651,465 97,954,396 48,977,198 24,488,599 73,465,798 36,732,899 110,198,698 55,099,349 165,298,048 82,649,024 41,324,512 20,662,256 10,331,128 5,165,564 2,582,782 1,291,391 3,874,174 1,937,087 5,811,262 2,905,631 8,716,894 4,358,447 13,075,342 6,537,671 19,613,014 9,806,507 29,419,522 14,709,761 44,129,284 22,064,642 11,032,321 33,096,964 16,548,482 8,274,241 24,822,724 12,411,362 6,205,681 18,617,044 9,308,522 4,654,261 13,962,784 6,981,392 3,490,696 1,745,348 872,674 436,337 1,309,012 654,506 327,253 981,760 490,880 245,440 122,720 61,360 30,680 15,340 7,670 3,835

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