5 × 13 × 17²

Prime Factor Structure

Factorization String 5 × 13 × 17^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 25,788

Proper Divisor Sum 7,003

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #18773 ← → #18787

1 5 13 17 65 85 221 289 1,105 1,445 3,757 18,785

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

18,785 56,356 28,178 14,089 42,268 21,134 10,567 31,702 15,851 47,554 23,777 71,332 35,666 17,833 53,500 26,750 13,375 40,126 20,063 60,190 30,095 90,286 45,143 135,430 67,715 203,146 101,573 304,720 152,360 76,180 38,090 19,045 57,136 28,568 14,284 7,142 3,571 10,714 5,357 16,072 8,036 4,018 2,009 6,028 3,014 1,507 4,522 2,261 6,784 3,392 1,696 848 424 212 106 53 160 80 40 20

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