3 × 7 × 11 × 2687

Prime Factor Structure

Factorization String 3 × 7 × 11 × 2687

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,032,192

Proper Divisor Sum 411,495

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #620693 ← → #620717

1 3 7 11 21 33 77 231 2,687 8,061 18,809 29,557 56,427 88,671 206,899 620,697

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

620,697 1,862,092 931,046 465,523 1,396,570 698,285 2,094,856 1,047,428 523,714 261,857 785,572 392,786 196,393 589,180 294,590 147,295 441,886 220,943 662,830 331,415 994,246 497,123 1,491,370 745,685 2,237,056 1,118,528 559,264 279,632 139,816 69,908 34,954 17,477 52,432 26,216 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112

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