2² × 5² × 8219

Prime Factor Structure

Factorization String 2^2 × 5^2 × 8219

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,783,740

Proper Divisor Sum 961,840

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #821897 ← → #821911

1 2 4 5 10 20 25 50 100 8,219 16,438 32,876 41,095 82,190 164,380 205,475 410,950 821,900

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

821,900 410,950 205,475 616,426 308,213 924,640 462,320 231,160 115,580 57,790 28,895 86,686 43,343 130,030 65,015 195,046 97,523 292,570 146,285 438,856 219,428 109,714 54,857 164,572 82,286 41,143 123,430 61,715 185,146 92,573 277,720 138,860 69,430 34,715 104,146 52,073 156,220 78,110 39,055 117,166 58,583 175,750 87,875 263,626 131,813 395,440 197,720 98,860 49,430 24,715 74,146 37,073 111,220 55,610 27,805 83,416 41,708 20,854 10,427 31,282

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