2² × 5 × 20857

Prime Factor Structure

Factorization String 2^2 × 5 × 20857

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 876,036

Proper Divisor Sum 458,896

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #417133 ← → #417161

1 2 4 5 10 20 20,857 41,714 83,428 104,285 208,570 417,140

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

417,140 208,570 104,285 312,856 156,428 78,214 39,107 117,322 58,661 175,984 87,992 43,996 21,998 10,999 32,998 16,499 49,498 24,749 74,248 37,124 18,562 9,281 27,844 13,922 6,961 20,884 10,442 5,221 15,664 7,832 3,916 1,958 979 2,938 1,469 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592 296 148 74

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