2 × 5 × 11 × 1999

Prime Factor Structure

Factorization String 2 × 5 × 11 × 1999

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 432,000

Proper Divisor Sum 212,110

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #219889 ← → #219911

1 2 5 10 11 22 55 110 1,999 3,998 9,995 19,990 21,989 43,978 109,945 219,890

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

219,890 109,945 329,836 164,918 82,459 247,378 123,689 371,068 185,534 92,767 278,302 139,151 417,454 208,727 626,182 313,091 939,274 469,637 1,408,912 704,456 352,228 176,114 88,057 264,172 132,086 66,043 198,130 99,065 297,196 148,598 74,299 222,898 111,449 334,348 167,174 83,587 250,762 125,381 376,144 188,072 94,036 47,018 23,509 70,528 35,264 17,632 8,816 4,408 2,204 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397

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