19 × 31 × 19763

Prime Factor Structure

Factorization String 19 × 31 × 19763

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 12,648,960

Proper Divisor Sum 1,008,553

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #11640403 ← → #11640457

1 19 31 589 19,763 375,497 612,653 11,640,407

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

11,640,407 34,921,222 17,460,611 52,381,834 26,190,917 78,572,752 39,286,376 19,643,188 9,821,594 4,910,797 14,732,392 7,366,196 3,683,098 1,841,549 5,524,648 2,762,324 1,381,162 690,581 2,071,744 1,035,872 517,936 258,968 129,484 64,742 32,371 97,114 48,557 145,672 72,836 36,418 18,209 54,628 27,314 13,657 40,972 20,486 10,243 30,730 15,365 46,096 23,048 11,524 5,762 2,881 8,644 4,322 2,161 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58

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