2 × 410621

Prime Factor Structure

Factorization String 2 × 410621

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,231,866

Proper Divisor Sum 410,624

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #821209 ← → #821263

1 2 410,621 821,242

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

821,242 410,621 1,231,864 615,932 307,966 153,983 461,950 230,975 692,926 346,463 1,039,390 519,695 1,559,086 779,543 2,338,630 1,169,315 3,507,946 1,753,973 5,261,920 2,630,960 1,315,480 657,740 328,870 164,435 493,306 246,653 739,960 369,980 184,990 92,495 277,486 138,743 416,230 208,115 624,346 312,173 936,520 468,260 234,130 117,065 351,196 175,598 87,799 263,398 131,699 395,098 197,549 592,648 296,324 148,162 74,081 222,244 111,122 55,561 166,684 83,342 41,671 125,014 62,507 187,522

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