2 × 13 × 24631

Prime Factor Structure

Factorization String 2 × 13 × 24631

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,034,544

Proper Divisor Sum 394,138

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #640369 ← → #640411

1 2 13 26 24,631 49,262 320,203 640,406

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

640,406 320,203 960,610 480,305 1,440,916 720,458 360,229 1,080,688 540,344 270,172 135,086 67,543 202,630 101,315 303,946 151,973 455,920 227,960 113,980 56,990 28,495 85,486 42,743 128,230 64,115 192,346 96,173 288,520 144,260 72,130 36,065 108,196 54,098 27,049 81,148 40,574 20,287 60,862 30,431 91,294 45,647 136,942 68,471 205,414 102,707 308,122 154,061 462,184 231,092 115,546 57,773 173,320 86,660 43,330 21,665 64,996 32,498 16,249 48,748 24,374

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