2² × 3² × 5 × 2221

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 2221

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,213,212

Proper Divisor Sum 813,432

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #399769 ← → #399781

1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2,221 4,442 6,663 8,884 11,105 13,326 19,989 22,210 26,652 33,315 39,978 44,420 66,630 79,956 99,945 133,260 199,890 399,780

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

399,780 199,890 99,945 299,836 149,918 74,959 224,878 112,439 337,318 168,659 505,978 252,989 758,968 379,484 189,742 94,871 284,614 142,307 426,922 213,461 640,384 320,192 160,096 80,048 40,024 20,012 10,006 5,003 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227

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