421 × 991

Prime Factor Structure

Factorization String 421 × 991

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 418,624

Proper Divisor Sum 1,413

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #417203 ← → #417217

1 421 991 417,211

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

417,211 1,251,634 625,817 1,877,452 938,726 469,363 1,408,090 704,045 2,112,136 1,056,068 528,034 264,017 792,052 396,026 198,013 594,040 297,020 148,510 74,255 222,766 111,383 334,150 167,075 501,226 250,613 751,840 375,920 187,960 93,980 46,990 23,495 70,486 35,243 105,730 52,865 158,596 79,298 39,649 118,948 59,474 29,737 89,212 44,606 22,303 66,910 33,455 100,366 50,183 150,550 75,275 225,826 112,913 338,740 169,370 84,685 254,056 127,028 63,514 31,757 95,272

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