3 × 5 × 7 × 71 × 2909

Prime Factor Structure

Factorization String 3 × 5 × 7 × 71 × 2909

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 40,227,840

Proper Divisor Sum 18,541,245

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #21686591 ← → #21686617

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

21,686,595 65,059,786 32,529,893 97,589,680 48,794,840 24,397,420 12,198,710 6,099,355 18,298,066 9,149,033 27,447,100 13,723,550 6,861,775 20,585,326 10,292,663 30,877,990 15,438,995 46,316,986 23,158,493 69,475,480 34,737,740 17,368,870 8,684,435 26,053,306 13,026,653 39,079,960 19,539,980 9,769,990 4,884,995 14,654,986 7,327,493 21,982,480 10,991,240 5,495,620 2,747,810 1,373,905 4,121,716 2,060,858 1,030,429 3,091,288 1,545,644 772,822 386,411 1,159,234 579,617 1,738,852 869,426 434,713 1,304,140 652,070 326,035 978,106 489,053 1,467,160 733,580 366,790 183,395 550,186 275,093 825,280

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