2² × 5² × 21491

Prime Factor Structure

Factorization String 2^2 × 5^2 × 21491

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 4,663,764

Proper Divisor Sum 2,514,664

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #2149093 ← → #2149111

1 2 4 5 10 20 25 50 100 21,491 42,982 85,964 107,455 214,910 429,820 537,275 1,074,550 2,149,100

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

2,149,100 1,074,550 537,275 1,611,826 805,913 2,417,740 1,208,870 604,435 1,813,306 906,653 2,719,960 1,359,980 679,990 339,995 1,019,986 509,993 1,529,980 764,990 382,495 1,147,486 573,743 1,721,230 860,615 2,581,846 1,290,923 3,872,770 1,936,385 5,809,156 2,904,578 1,452,289 4,356,868 2,178,434 1,089,217 3,267,652 1,633,826 816,913 2,450,740 1,225,370 612,685 1,838,056 919,028 459,514 229,757 689,272 344,636 172,318 86,159 258,478 129,239 387,718 193,859 581,578 290,789 872,368 436,184 218,092 109,046 54,523 163,570 81,785

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