7 × 13 × 17 × 991

Prime Factor Structure

Factorization String 7 × 13 × 17 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,999,872

Proper Divisor Sum 466,795

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1533041 ← → #1533083

1 7 13 17 91 119 221 991 1,547 6,937 12,883 16,847 90,181 117,929 219,011 1,533,077

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

1,533,077 4,599,232 2,299,616 1,149,808 574,904 287,452 143,726 71,863 215,590 107,795 323,386 161,693 485,080 242,540 121,270 60,635 181,906 90,953 272,860 136,430 68,215 204,646 102,323 306,970 153,485 460,456 230,228 115,114 57,557 172,672 86,336 43,168 21,584 10,792 5,396 2,698 1,349 4,048 2,024 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274

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