13 × 17² × 53

Prime Factor Structure

Factorization String 13 × 17^2 × 53

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 232,092

Proper Divisor Sum 32,971

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #199109 ← → #199151

1 13 17 53 221 289 689 901 3,757 11,713 15,317 199,121

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

199,121 597,364 298,682 149,341 448,024 224,012 112,006 56,003 168,010 84,005 252,016 126,008 63,004 31,502 15,751 47,254 23,627 70,882 35,441 106,324 53,162 26,581 79,744 39,872 19,936 9,968 4,984 2,492 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71 214

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