2 × 13 × 163 × 509

Prime Factor Structure

Factorization String 2 × 13 × 163 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,512,880

Proper Divisor Sum 1,355,738

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #2157131 ← → #2157149

1 2 13 26 163 326 509 1,018 2,119 4,238 6,617 13,234 82,967 165,934 1,078,571 2,157,142

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

2,157,142 1,078,571 3,235,714 1,617,857 4,853,572 2,426,786 1,213,393 3,640,180 1,820,090 910,045 2,730,136 1,365,068 682,534 341,267 1,023,802 511,901 1,535,704 767,852 383,926 191,963 575,890 287,945 863,836 431,918 215,959 647,878 323,939 971,818 485,909 1,457,728 728,864 364,432 182,216 91,108 45,554 22,777 68,332 34,166 17,083 51,250 25,625 76,876 38,438 19,219 57,658 28,829 86,488 43,244 21,622 10,811 32,434 16,217 48,652 24,326 12,163 36,490 18,245 54,736 27,368 13,684

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