13 × 17 × 43 × 397

Prime Factor Structure

Factorization String 13 × 17 × 43 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,413,024

Proper Divisor Sum 640,333

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #3772687 ← → #3772693

1 13 17 43 221 397 559 731 5,161 6,749 9,503 17,071 87,737 221,923 290,207 3,772,691

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

3,772,691 11,318,074 5,659,037 16,977,112 8,488,556 4,244,278 2,122,139 6,366,418 3,183,209 9,549,628 4,774,814 2,387,407 7,162,222 3,581,111 10,743,334 5,371,667 16,115,002 8,057,501 24,172,504 12,086,252 6,043,126 3,021,563 9,064,690 4,532,345 13,597,036 6,798,518 3,399,259 10,197,778 5,098,889 15,296,668 7,648,334 3,824,167 11,472,502 5,736,251 17,208,754 8,604,377 25,813,132 12,906,566 6,453,283 19,359,850 9,679,925 29,039,776 14,519,888 7,259,944 3,629,972 1,814,986 907,493 2,722,480 1,361,240 680,620 340,310 170,155 510,466 255,233 765,700 382,850 191,425 574,276 287,138 143,569

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