2² × 5² × 19687

Prime Factor Structure

Factorization String 2^2 × 5^2 × 19687

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 4,272,296

Proper Divisor Sum 2,303,596

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1968691 ← → #1968721

1 2 4 5 10 20 25 50 100 19,687 39,374 78,748 98,435 196,870 393,740 492,175 984,350 1,968,700

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

1,968,700 984,350 492,175 1,476,526 738,263 2,214,790 1,107,395 3,322,186 1,661,093 4,983,280 2,491,640 1,245,820 622,910 311,455 934,366 467,183 1,401,550 700,775 2,102,326 1,051,163 3,153,490 1,576,745 4,730,236 2,365,118 1,182,559 3,547,678 1,773,839 5,321,518 2,660,759 7,982,278 3,991,139 11,973,418 5,986,709 17,960,128 8,980,064 4,490,032 2,245,016 1,122,508 561,254 280,627 841,882 420,941 1,262,824 631,412 315,706 157,853 473,560 236,780 118,390 59,195 177,586 88,793 266,380 133,190 66,595 199,786 99,893 299,680 149,840 74,920

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