2² × 19 × 193 × 1489

Prime Factor Structure

Factorization String 2^2 × 19 × 193 × 1489

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 40,468,400

Proper Divisor Sum 18,627,748

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21840641 ← → #21840667

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

21,840,652 10,920,326 5,460,163 16,380,490 8,190,245 24,570,736 12,285,368 6,142,684 3,071,342 1,535,671 4,607,014 2,303,507 6,910,522 3,455,261 10,365,784 5,182,892 2,591,446 1,295,723 3,887,170 1,943,585 5,830,756 2,915,378 1,457,689 4,373,068 2,186,534 1,093,267 3,279,802 1,639,901 4,919,704 2,459,852 1,229,926 614,963 1,844,890 922,445 2,767,336 1,383,668 691,834 345,917 1,037,752 518,876 259,438 129,719 389,158 194,579 583,738 291,869 875,608 437,804 218,902 109,451 328,354 164,177 492,532 246,266 123,133 369,400 184,700 92,350 46,175 138,526

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