2² × 17 × 320693

Prime Factor Structure

Factorization String 2^2 × 17 × 320693

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 40,407,444

Proper Divisor Sum 18,600,320

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21807119 ← → #21807127

1 2 4 17 34 68 320,693 641,386 1,282,772 5,451,781 10,903,562 21,807,124

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

21,807,124 10,903,562 5,451,781 16,355,344 8,177,672 4,088,836 2,044,418 1,022,209 3,066,628 1,533,314 766,657 2,299,972 1,149,986 574,993 1,724,980 862,490 431,245 1,293,736 646,868 323,434 161,717 485,152 242,576 121,288 60,644 30,322 15,161 45,484 22,742 11,371 34,114 17,057 51,172 25,586 12,793 38,380 19,190 9,595 28,786 14,393 43,180 21,590 10,795 32,386 16,193 48,580 24,290 12,145 36,436 18,218 9,109 27,328 13,664 6,832 3,416 1,708 854 427 1,282 641

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