2² × 5 × 1287899

Prime Factor Structure

Factorization String 2^2 × 5 × 1287899

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 54,091,800

Proper Divisor Sum 28,333,820

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #25757933 ← → #25757981

1 2 4 5 10 20 1,287,899 2,575,798 5,151,596 6,439,495 12,878,990 25,757,980

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

25,757,980 12,878,990 6,439,495 19,318,486 9,659,243 28,977,730 14,488,865 43,466,596 21,733,298 10,866,649 32,599,948 16,299,974 8,149,987 24,449,962 12,224,981 36,674,944 18,337,472 9,168,736 4,584,368 2,292,184 1,146,092 573,046 286,523 859,570 429,785 1,289,356 644,678 322,339 967,018 483,509 1,450,528 725,264 362,632 181,316 90,658 45,329 135,988 67,994 33,997 101,992 50,996 25,498 12,749 38,248 19,124 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757

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