3 × 17 × 89 × 4463

Prime Factor Structure

Factorization String 3 × 17 × 89 × 4463

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,926,720

Proper Divisor Sum 8,669,163

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #20257547 ← → #20257597

1 3 17 51 89 267 1,513 4,463 4,539 13,389 75,871 227,613 397,207 1,191,621 6,752,519 20,257,557

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

20,257,557 60,772,672 30,386,336 15,193,168 7,596,584 3,798,292 1,899,146 949,573 2,848,720 1,424,360 712,180 356,090 178,045 534,136 267,068 133,534 66,767 200,302 100,151 300,454 150,227 450,682 225,341 676,024 338,012 169,006 84,503 253,510 126,755 380,266 190,133 570,400 285,200 142,600 71,300 35,650 17,825 53,476 26,738 13,369 40,108 20,054 10,027 30,082 15,041 45,124 22,562 11,281 33,844 16,922 8,461 25,384 12,692 6,346 3,173 9,520 4,760 2,380 1,190 595

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