3 × 7 × 13 × 1531

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1531

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 686,336

Proper Divisor Sum 268,373

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #417961 ← → #417983

1 3 7 13 21 39 91 273 1,531 4,593 10,717 19,903 32,151 59,709 139,321 417,963

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

417,963 1,253,890 626,945 1,880,836 940,418 470,209 1,410,628 705,314 352,657 1,057,972 528,986 264,493 793,480 396,740 198,370 99,185 297,556 148,778 74,389 223,168 111,584 55,792 27,896 13,948 6,974 3,487 10,462 5,231 15,694 7,847 23,542 11,771 35,314 17,657 52,972 26,486 13,243 39,730 19,865 59,596 29,798 14,899 44,698 22,349 67,048 33,524 16,762 8,381 25,144 12,572 6,286 3,143 9,430 4,715 14,146 7,073 21,220 10,610 5,305 15,916

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