5 × 7 × 23 × 2221

Prime Factor Structure

Factorization String 5 × 7 × 23 × 2221

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,559,744

Proper Divisor Sum 771,839

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1787899 ← → #1787911

1 5 7 23 35 115 161 805 2,221 11,105 15,547 51,083 77,735 255,415 357,581 1,787,905

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

1,787,905 5,363,716 2,681,858 1,340,929 4,022,788 2,011,394 1,005,697 3,017,092 1,508,546 754,273 2,262,820 1,131,410 565,705 1,697,116 848,558 424,279 1,272,838 636,419 1,909,258 954,629 2,863,888 1,431,944 715,972 357,986 178,993 536,980 268,490 134,245 402,736 201,368 100,684 50,342 25,171 75,514 37,757 113,272 56,636 28,318 14,159 42,478 21,239 63,718 31,859 95,578 47,789 143,368 71,684 35,842 17,921 53,764 26,882 13,441 40,324 20,162 10,081 30,244 15,122 7,561 22,684 11,342

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