2² × 5 × 20681

Prime Factor Structure

Factorization String 2^2 × 5 × 20681

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 868,644

Proper Divisor Sum 455,024

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #413597 ← → #413629

1 2 4 5 10 20 20,681 41,362 82,724 103,405 206,810 413,620

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

413,620 206,810 103,405 310,216 155,108 77,554 38,777 116,332 58,166 29,083 87,250 43,625 130,876 65,438 32,719 98,158 49,079 147,238 73,619 220,858 110,429 331,288 165,644 82,822 41,411 124,234 62,117 186,352 93,176 46,588 23,294 11,647 34,942 17,471 52,414 26,207 78,622 39,311 117,934 58,967 176,902 88,451 265,354 132,677 398,032 199,016 99,508 49,754 24,877 74,632 37,316 18,658 9,329 27,988 13,994 6,997 20,992 10,496 5,248 2,624

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