5 × 13 × 137 × 809

Prime Factor Structure

Factorization String 5 × 13 × 137 × 809

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,389,520

Proper Divisor Sum 2,185,375

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #7204133 ← → #7204147

1 5 13 65 137 685 809 1,781 4,045 8,905 10,517 52,585 110,833 554,165 1,440,829 7,204,145

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

7,204,145 21,612,436 10,806,218 5,403,109 16,209,328 8,104,664 4,052,332 2,026,166 1,013,083 3,039,250 1,519,625 4,558,876 2,279,438 1,139,719 3,419,158 1,709,579 5,128,738 2,564,369 7,693,108 3,846,554 1,923,277 5,769,832 2,884,916 1,442,458 721,229 2,163,688 1,081,844 540,922 270,461 811,384 405,692 202,846 101,423 304,270 152,135 456,406 228,203 684,610 342,305 1,026,916 513,458 256,729 770,188 385,094 192,547 577,642 288,821 866,464 433,232 216,616 108,308 54,154 27,077 81,232 40,616 20,308 10,154 5,077 15,232 7,616

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