2² × 5² × 128761

Prime Factor Structure

Factorization String 2^2 × 5^2 × 128761

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 27,941,354

Proper Divisor Sum 15,065,254

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #12876079 ← → #12876103

1 2 4 5 10 20 25 50 100 128,761 257,522 515,044 643,805 1,287,610 2,575,220 3,219,025 6,438,050 12,876,100

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

12,876,100 6,438,050 3,219,025 9,657,076 4,828,538 2,414,269 7,242,808 3,621,404 1,810,702 905,351 2,716,054 1,358,027 4,074,082 2,037,041 6,111,124 3,055,562 1,527,781 4,583,344 2,291,672 1,145,836 572,918 286,459 859,378 429,689 1,289,068 644,534 322,267 966,802 483,401 1,450,204 725,102 362,551 1,087,654 543,827 1,631,482 815,741 2,447,224 1,223,612 611,806 305,903 917,710 458,855 1,376,566 688,283 2,064,850 1,032,425 3,097,276 1,548,638 774,319 2,322,958 1,161,479 3,484,438 1,742,219 5,226,658 2,613,329 7,839,988 3,919,994 1,959,997 5,879,992 2,939,996

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