3 × 19 × 23 × 31

Prime Factor Structure

Factorization String 3 × 19 × 23 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 61,440

Proper Divisor Sum 20,799

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #40639 ← → #40693

1 3 19 23 31 57 69 93 437 589 713 1,311 1,767 2,139 13,547 40,641

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

40,641 121,924 60,962 30,481 91,444 45,722 22,861 68,584 34,292 17,146 8,573 25,720 12,860 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552

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