2² × 5² × 12919

Prime Factor Structure

Factorization String 2^2 × 5^2 × 12919

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 2,803,640

Proper Divisor Sum 1,511,740

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1291883 ← → #1291907

1 2 4 5 10 20 25 50 100 12,919 25,838 51,676 64,595 129,190 258,380 322,975 645,950 1,291,900

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

1,291,900 645,950 322,975 968,926 484,463 1,453,390 726,695 2,180,086 1,090,043 3,270,130 1,635,065 4,905,196 2,452,598 1,226,299 3,678,898 1,839,449 5,518,348 2,759,174 1,379,587 4,138,762 2,069,381 6,208,144 3,104,072 1,552,036 776,018 388,009 1,164,028 582,014 291,007 873,022 436,511 1,309,534 654,767 1,964,302 982,151 2,946,454 1,473,227 4,419,682 2,209,841 6,629,524 3,314,762 1,657,381 4,972,144 2,486,072 1,243,036 621,518 310,759 932,278 466,139 1,398,418 699,209 2,097,628 1,048,814 524,407 1,573,222 786,611 2,359,834 1,179,917 3,539,752 1,769,876

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