3 × 13 × 37 × 139

Prime Factor Structure

Factorization String 3 × 13 × 37 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 297,920

Proper Divisor Sum 97,343

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #200573 ← → #200579

1 3 13 37 39 111 139 417 481 1,443 1,807 5,143 5,421 15,429 66,859 200,577

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

200,577 601,732 300,866 150,433 451,300 225,650 112,825 338,476 169,238 84,619 253,858 126,929 380,788 190,394 95,197 285,592 142,796 71,398 35,699 107,098 53,549 160,648 80,324 40,162 20,081 60,244 30,122 15,061 45,184 22,592 11,296 5,648 2,824 1,412 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215

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