2² × 11 × 19 × 1987

Prime Factor Structure

Factorization String 2^2 × 11 × 19 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,339,840

Proper Divisor Sum 1,678,708

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1661123 ← → #1661137

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

1,661,132 830,566 415,283 1,245,850 622,925 1,868,776 934,388 467,194 233,597 700,792 350,396 175,198 87,599 262,798 131,399 394,198 197,099 591,298 295,649 886,948 443,474 221,737 665,212 332,606 166,303 498,910 249,455 748,366 374,183 1,122,550 561,275 1,683,826 841,913 2,525,740 1,262,870 631,435 1,894,306 947,153 2,841,460 1,420,730 710,365 2,131,096 1,065,548 532,774 266,387 799,162 399,581 1,198,744 599,372 299,686 149,843 449,530 224,765 674,296 337,148 168,574 84,287 252,862 126,431 379,294

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