139 × 21569

Prime Factor Structure

Factorization String 139 × 21569

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,019,800

Proper Divisor Sum 21,709

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #2998081 ← → #2998097

1 139 21,569 2,998,091

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

2,998,091 8,994,274 4,497,137 13,491,412 6,745,706 3,372,853 10,118,560 5,059,280 2,529,640 1,264,820 632,410 316,205 948,616 474,308 237,154 118,577 355,732 177,866 88,933 266,800 133,400 66,700 33,350 16,675 50,026 25,013 75,040 37,520 18,760 9,380 4,690 2,345 7,036 3,518 1,759 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353 1,060 530

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