31 × 41 × 109

Prime Factor Structure

Factorization String 31 × 41 × 109

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 147,840

Proper Divisor Sum 9,301

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #138517 ← → #138547

1 31 41 109 1,271 3,379 4,469 138,539

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

138,539 415,618 207,809 623,428 311,714 155,857 467,572 233,786 116,893 350,680 175,340 87,670 43,835 131,506 65,753 197,260 98,630 49,315 147,946 73,973 221,920 110,960 55,480 27,740 13,870 6,935 20,806 10,403 31,210 15,605 46,816 23,408 11,704 5,852 2,926 1,463 4,390 2,195 6,586 3,293 9,880 4,940 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881

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