2² × 5² × 21481

Prime Factor Structure

Factorization String 2^2 × 5^2 × 21481

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 4,661,594

Proper Divisor Sum 2,513,494

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #2148073 ← → #2148127

1 2 4 5 10 20 25 50 100 21,481 42,962 85,924 107,405 214,810 429,620 537,025 1,074,050 2,148,100

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

2,148,100 1,074,050 537,025 1,611,076 805,538 402,769 1,208,308 604,154 302,077 906,232 453,116 226,558 113,279 339,838 169,919 509,758 254,879 764,638 382,319 1,146,958 573,479 1,720,438 860,219 2,580,658 1,290,329 3,870,988 1,935,494 967,747 2,903,242 1,451,621 4,354,864 2,177,432 1,088,716 544,358 272,179 816,538 408,269 1,224,808 612,404 306,202 153,101 459,304 229,652 114,826 57,413 172,240 86,120 43,060 21,530 10,765 32,296 16,148 8,074 4,037 12,112 6,056 3,028 1,514 757 2,272

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