3 × 5 × 71 × 677

Prime Factor Structure

Factorization String 3 × 5 × 71 × 677

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,171,584

Proper Divisor Sum 450,579

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #721003 ← → #721013

1 3 5 15 71 213 355 677 1,065 2,031 3,385 10,155 48,067 144,201 240,335 721,005

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

721,005 2,163,016 1,081,508 540,754 270,377 811,132 405,566 202,783 608,350 304,175 912,526 456,263 1,368,790 684,395 2,053,186 1,026,593 3,079,780 1,539,890 769,945 2,309,836 1,154,918 577,459 1,732,378 866,189 2,598,568 1,299,284 649,642 324,821 974,464 487,232 243,616 121,808 60,904 30,452 15,226 7,613 22,840 11,420 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576

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