3 × 7 × 439 × 2309

Prime Factor Structure

Factorization String 3 × 7 × 439 × 2309

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,524,800

Proper Divisor Sum 11,238,129

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #21286633 ← → #21286673

1 3 7 21 439 1,317 2,309 3,073 6,927 9,219 16,163 48,489 1,013,651 3,040,953 7,095,557 21,286,671

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

21,286,671 63,860,014 31,930,007 95,790,022 47,895,011 143,685,034 71,842,517 215,527,552 107,763,776 53,881,888 26,940,944 13,470,472 6,735,236 3,367,618 1,683,809 5,051,428 2,525,714 1,262,857 3,788,572 1,894,286 947,143 2,841,430 1,420,715 4,262,146 2,131,073 6,393,220 3,196,610 1,598,305 4,794,916 2,397,458 1,198,729 3,596,188 1,798,094 899,047 2,697,142 1,348,571 4,045,714 2,022,857 6,068,572 3,034,286 1,517,143 4,551,430 2,275,715 6,827,146 3,413,573 10,240,720 5,120,360 2,560,180 1,280,090 640,045 1,920,136 960,068 480,034 240,017 720,052 360,026 180,013 540,040 270,020 135,010

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