2 × 5 × 11 × 19991

Prime Factor Structure

Factorization String 2 × 5 × 11 × 19991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,318,272

Proper Divisor Sum 2,119,262

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #2198981 ← → #2199061

1 2 5 10 11 22 55 110 19,991 39,982 99,955 199,910 219,901 439,802 1,099,505 2,199,010

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

2,199,010 1,099,505 3,298,516 1,649,258 824,629 2,473,888 1,236,944 618,472 309,236 154,618 77,309 231,928 115,964 57,982 28,991 86,974 43,487 130,462 65,231 195,694 97,847 293,542 146,771 440,314 220,157 660,472 330,236 165,118 82,559 247,678 123,839 371,518 185,759 557,278 278,639 835,918 417,959 1,253,878 626,939 1,880,818 940,409 2,821,228 1,410,614 705,307 2,115,922 1,057,961 3,173,884 1,586,942 793,471 2,380,414 1,190,207 3,570,622 1,785,311 5,355,934 2,677,967 8,033,902 4,016,951 12,050,854 6,025,427 18,076,282

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