21576817

Prime Factor Structure

Factorization String 21576817

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,576,818

Proper Divisor Sum 1

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #21576787 ← → #21576827

1 21,576,817

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

21,576,817 64,730,452 32,365,226 16,182,613 48,547,840 24,273,920 12,136,960 6,068,480 3,034,240 1,517,120 758,560 379,280 189,640 94,820 47,410 23,705 71,116 35,558 17,779 53,338 26,669 80,008 40,004 20,002 10,001 30,004 15,002 7,501 22,504 11,252 5,626 2,813 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841

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