13 × 19 × 73

Prime Factor Structure

Factorization String 13 × 19 × 73

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 20,720

Proper Divisor Sum 2,689

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #18013 ← → #18041

1 13 19 73 247 949 1,387 18,031

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

18,031 54,094 27,047 81,142 40,571 121,714 60,857 182,572 91,286 45,643 136,930 68,465 205,396 102,698 51,349 154,048 77,024 38,512 19,256 9,628 4,814 2,407 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376 688

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