661 × 691

Prime Factor Structure

Factorization String 661 × 691

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 458,104

Proper Divisor Sum 1,353

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #456737 ← → #456763

1 661 691 456,751

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

456,751 1,370,254 685,127 2,055,382 1,027,691 3,083,074 1,541,537 4,624,612 2,312,306 1,156,153 3,468,460 1,734,230 867,115 2,601,346 1,300,673 3,902,020 1,951,010 975,505 2,926,516 1,463,258 731,629 2,194,888 1,097,444 548,722 274,361 823,084 411,542 205,771 617,314 308,657 925,972 462,986 231,493 694,480 347,240 173,620 86,810 43,405 130,216 65,108 32,554 16,277 48,832 24,416 12,208 6,104 3,052 1,526 763 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902

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