5 × 43 × 251 × 389

Prime Factor Structure

Factorization String 5 × 43 × 251 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 25,945,920

Proper Divisor Sum 4,953,535

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #20992381 ← → #20992393

1 5 43 215 251 389 1,255 1,945 10,793 16,727 53,965 83,635 97,639 488,195 4,198,477 20,992,385

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

20,992,385 62,977,156 31,488,578 15,744,289 47,232,868 23,616,434 11,808,217 35,424,652 17,712,326 8,856,163 26,568,490 13,284,245 39,852,736 19,926,368 9,963,184 4,981,592 2,490,796 1,245,398 622,699 1,868,098 934,049 2,802,148 1,401,074 700,537 2,101,612 1,050,806 525,403 1,576,210 788,105 2,364,316 1,182,158 591,079 1,773,238 886,619 2,659,858 1,329,929 3,989,788 1,994,894 997,447 2,992,342 1,496,171 4,488,514 2,244,257 6,732,772 3,366,386 1,683,193 5,049,580 2,524,790 1,262,395 3,787,186 1,893,593 5,680,780 2,840,390 1,420,195 4,260,586 2,130,293 6,390,880 3,195,440 1,597,720 798,860

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