61 × 65609

Prime Factor Structure

Factorization String 61 × 65609

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,067,820

Proper Divisor Sum 65,671

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #4002143 ← → #4002169

1 61 65,609 4,002,149

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

4,002,149 12,006,448 6,003,224 3,001,612 1,500,806 750,403 2,251,210 1,125,605 3,376,816 1,688,408 844,204 422,102 211,051 633,154 316,577 949,732 474,866 237,433 712,300 356,150 178,075 534,226 267,113 801,340 400,670 200,335 601,006 300,503 901,510 450,755 1,352,266 676,133 2,028,400 1,014,200 507,100 253,550 126,775 380,326 190,163 570,490 285,245 855,736 427,868 213,934 106,967 320,902 160,451 481,354 240,677 722,032 361,016 180,508 90,254 45,127 135,382 67,691 203,074 101,537 304,612 152,306

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