31 × 21319

Prime Factor Structure

Factorization String 31 × 21319

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 682,240

Proper Divisor Sum 21,351

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #660887 ← → #660893

1 31 21,319 660,889

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

660,889 1,982,668 991,334 495,667 1,487,002 743,501 2,230,504 1,115,252 557,626 278,813 836,440 418,220 209,110 104,555 313,666 156,833 470,500 235,250 117,625 352,876 176,438 88,219 264,658 132,329 396,988 198,494 99,247 297,742 148,871 446,614 223,307 669,922 334,961 1,004,884 502,442 251,221 753,664 376,832 188,416 94,208 47,104 23,552 11,776 5,888 2,944 1,472 736 368 184 92 46 23 70 35 106 53 160 80 40 20

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