3 × 7 × 29 × 131 × 271

Prime Factor Structure

Factorization String 3 × 7 × 29 × 131 × 271

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 34,467,840

Proper Divisor Sum 12,847,731

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #21620101 ← → #21620111

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

21,620,109 64,860,328 32,430,164 16,215,082 8,107,541 24,322,624 12,161,312 6,080,656 3,040,328 1,520,164 760,082 380,041 1,140,124 570,062 285,031 855,094 427,547 1,282,642 641,321 1,923,964 961,982 480,991 1,442,974 721,487 2,164,462 1,082,231 3,246,694 1,623,347 4,870,042 2,435,021 7,305,064 3,652,532 1,826,266 913,133 2,739,400 1,369,700 684,850 342,425 1,027,276 513,638 256,819 770,458 385,229 1,155,688 577,844 288,922 144,461 433,384 216,692 108,346 54,173 162,520 81,260 40,630 20,315 60,946 30,473 91,420 45,710 22,855

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