31 × 21313

Prime Factor Structure

Factorization String 31 × 21313

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 682,048

Proper Divisor Sum 21,345

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #660683 ← → #660719

1 31 21,313 660,703

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

660,703 1,982,110 991,055 2,973,166 1,486,583 4,459,750 2,229,875 6,689,626 3,344,813 10,034,440 5,017,220 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.