2³ × 7 × 378317

Prime Factor Structure

Factorization String 2^3 × 7 × 378317

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 45,398,160

Proper Divisor Sum 24,212,408

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21185729 ← → #21185771

1 2 4 7 8 14 28 56 378,317 756,634 1,513,268 2,648,219 3,026,536 5,296,438 10,592,876 21,185,752

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

21,185,752 10,592,876 5,296,438 2,648,219 7,944,658 3,972,329 11,916,988 5,958,494 2,979,247 8,937,742 4,468,871 13,406,614 6,703,307 20,109,922 10,054,961 30,164,884 15,082,442 7,541,221 22,623,664 11,311,832 5,655,916 2,827,958 1,413,979 4,241,938 2,120,969 6,362,908 3,181,454 1,590,727 4,772,182 2,386,091 7,158,274 3,579,137 10,737,412 5,368,706 2,684,353 8,053,060 4,026,530 2,013,265 6,039,796 3,019,898 1,509,949 4,529,848 2,264,924 1,132,462 566,231 1,698,694 849,347 2,548,042 1,274,021 3,822,064 1,911,032 955,516 477,758 238,879 716,638 358,319 1,074,958 537,479 1,612,438 806,219

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