2² × 5 × 21491

Prime Factor Structure

Factorization String 2^2 × 5 × 21491

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 902,664

Proper Divisor Sum 472,844

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #429817 ← → #429823

1 2 4 5 10 20 21,491 42,982 85,964 107,455 214,910 429,820

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

429,820 214,910 107,455 322,366 161,183 483,550 241,775 725,326 362,663 1,087,990 543,995 1,631,986 815,993 2,447,980 1,223,990 611,995 1,835,986 917,993 2,753,980 1,376,990 688,495 2,065,486 1,032,743 3,098,230 1,549,115 4,647,346 2,323,673 6,971,020 3,485,510 1,742,755 5,228,266 2,614,133 7,842,400 3,921,200 1,960,600 980,300 490,150 245,075 735,226 367,613 1,102,840 551,420 275,710 137,855 413,566 206,783 620,350 310,175 930,526 465,263 1,395,790 697,895 2,093,686 1,046,843 3,140,530 1,570,265 4,710,796 2,355,398 1,177,699 3,533,098

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