2³ × 3 × 5 × 7 × 2161

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 7 × 2161

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 6,226,560

Proper Divisor Sum 4,411,320

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1815223 ← → #1815251

1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2,161 4,322 6,483 8,644 10,805 12,966 15,127 17,288 21,610 25,932 30,254 32,415 43,220 45,381 51,864 60,508 64,830 75,635 86,440 90,762 121,016 129,660 151,270 181,524 226,905 259,320 302,540 363,048

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

1,815,240 907,620 453,810 226,905 680,716 340,358 170,179 510,538 255,269 765,808 382,904 191,452 95,726 47,863 143,590 71,795 215,386 107,693 323,080 161,540 80,770 40,385 121,156 60,578 30,289 90,868 45,434 22,717 68,152 34,076 17,038 8,519 25,558 12,779 38,338 19,169 57,508 28,754 14,377 43,132 21,566 10,783 32,350 16,175 48,526 24,263 72,790 36,395 109,186 54,593 163,780 81,890 40,945 122,836 61,418 30,709 92,128 46,064 23,032 11,516

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