2² × 5² × 19 × 211

Prime Factor Structure

Factorization String 2^2 × 5^2 × 19 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 920,080

Proper Divisor Sum 519,180

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #400871 ← → #400903

1 2 4 5 10 19 20 25 38 50 76 95 100 190 211 380 422 475 844 950 1,055 1,900 2,110 4,009 4,220 5,275 8,018 10,550 16,036 20,045 21,100 40,090 80,180 100,225 200,450 400,900

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

400,900 200,450 100,225 300,676 150,338 75,169 225,508 112,754 56,377 169,132 84,566 42,283 126,850 63,425 190,276 95,138 47,569 142,708 71,354 35,677 107,032 53,516 26,758 13,379 40,138 20,069 60,208 30,104 15,052 7,526 3,763 11,290 5,645 16,936 8,468 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13

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