7 × 13 × 37 × 197

Prime Factor Structure

Factorization String 7 × 13 × 37 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 842,688

Proper Divisor Sum 179,389

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #663283 ← → #663301

1 7 13 37 91 197 259 481 1,379 2,561 3,367 7,289 17,927 51,023 94,757 663,299

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

663,299 1,989,898 994,949 2,984,848 1,492,424 746,212 373,106 186,553 559,660 279,830 139,915 419,746 209,873 629,620 314,810 157,405 472,216 236,108 118,054 59,027 177,082 88,541 265,624 132,812 66,406 33,203 99,610 49,805 149,416 74,708 37,354 18,677 56,032 28,016 14,008 7,004 3,502 1,751 5,254 2,627 7,882 3,941 11,824 5,912 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52 26 13 40 20

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