2 × 3³ × 397981

Prime Factor Structure

Factorization String 2 × 3^3 × 397981

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 47,757,840

Proper Divisor Sum 26,266,866

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #21490961 ← → #21490991

1 2 3 6 9 18 27 54 397,981 795,962 1,193,943 2,387,886 3,581,829 7,163,658 10,745,487 21,490,974

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

21,490,974 10,745,487 32,236,462 16,118,231 48,354,694 24,177,347 72,532,042 36,266,021 108,798,064 54,399,032 27,199,516 13,599,758 6,799,879 20,399,638 10,199,819 30,599,458 15,299,729 45,899,188 22,949,594 11,474,797 34,424,392 17,212,196 8,606,098 4,303,049 12,909,148 6,454,574 3,227,287 9,681,862 4,840,931 14,522,794 7,261,397 21,784,192 10,892,096 5,446,048 2,723,024 1,361,512 680,756 340,378 170,189 510,568 255,284 127,642 63,821 191,464 95,732 47,866 23,933 71,800 35,900 17,950 8,975 26,926 13,463 40,390 20,195 60,586 30,293 90,880 45,440 22,720

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