2² × 3 × 13 × 89 × 1451

Prime Factor Structure

Factorization String 2^2 × 3 × 13 × 89 × 1451

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 51,226,560

Proper Divisor Sum 31,080,876

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #20145673 ← → #20145689

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

20,145,684 10,072,842 5,036,421 15,109,264 7,554,632 3,777,316 1,888,658 944,329 2,832,988 1,416,494 708,247 2,124,742 1,062,371 3,187,114 1,593,557 4,780,672 2,390,336 1,195,168 597,584 298,792 149,396 74,698 37,349 112,048 56,024 28,012 14,006 7,003 21,010 10,505 31,516 15,758 7,879 23,638 11,819 35,458 17,729 53,188 26,594 13,297 39,892 19,946 9,973 29,920 14,960 7,480 3,740 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554

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