3 × 31 × 2221

Prime Factor Structure

Factorization String 3 × 31 × 2221

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 284,416

Proper Divisor Sum 77,863

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #206551 ← → #206593

1 3 31 93 2,221 6,663 68,851 206,553

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

206,553 619,660 309,830 154,915 464,746 232,373 697,120 348,560 174,280 87,140 43,570 21,785 65,356 32,678 16,339 49,018 24,509 73,528 36,764 18,382 9,191 27,574 13,787 41,362 20,681 62,044 31,022 15,511 46,534 23,267 69,802 34,901 104,704 52,352 26,176 13,088 6,544 3,272 1,636 818 409 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37

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