31 × 673

Prime Factor Structure

Factorization String 31 × 673

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,568

Proper Divisor Sum 705

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #20857 ← → #20873

1 31 673 20,863

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

20,863 62,590 31,295 93,886 46,943 140,830 70,415 211,246 105,623 316,870 158,435 475,306 237,653 712,960 356,480 178,240 89,120 44,560 22,280 11,140 5,570 2,785 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314 157 472 236 118 59 178 89 268 134

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