7 × 19 × 59 × 71

Prime Factor Structure

Factorization String 7 × 19 × 59 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 691,200

Proper Divisor Sum 134,063

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #557093 ← → #557153

1 7 19 59 71 133 413 497 1,121 1,349 4,189 7,847 9,443 29,323 79,591 557,137

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

557,137 1,671,412 835,706 417,853 1,253,560 626,780 313,390 156,695 470,086 235,043 705,130 352,565 1,057,696 528,848 264,424 132,212 66,106 33,053 99,160 49,580 24,790 12,395 37,186 18,593 55,780 27,890 13,945 41,836 20,918 10,459 31,378 15,689 47,068 23,534 11,767 35,302 17,651 52,954 26,477 79,432 39,716 19,858 9,929 29,788 14,894 7,447 22,342 11,171 33,514 16,757 50,272 25,136 12,568 6,284 3,142 1,571 4,714 2,357 7,072 3,536

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