2 × 3 × 7 × 15731

Prime Factor Structure

Factorization String 2 × 3 × 7 × 15731

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,510,272

Proper Divisor Sum 849,570

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #660683 ← → #660719

1 2 3 6 7 14 21 42 15,731 31,462 47,193 94,386 110,117 220,234 330,351 660,702

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

660,702 330,351 991,054 495,527 1,486,582 743,291 2,229,874 1,114,937 3,344,812 1,672,406 836,203 2,508,610 1,254,305 3,762,916 1,881,458 940,729 2,822,188 1,411,094 705,547 2,116,642 1,058,321 3,174,964 1,587,482 793,741 2,381,224 1,190,612 595,306 297,653 892,960 446,480 223,240 111,620 55,810 27,905 83,716 41,858 20,929 62,788 31,394 15,697 47,092 23,546 11,773 35,320 17,660 8,830 4,415 13,246 6,623 19,870 9,935 29,806 14,903 44,710 22,355 67,066 33,533 100,600 50,300 25,150

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