11 × 13 × 1543

Prime Factor Structure

Factorization String 11 × 13 × 1543

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 259,392

Proper Divisor Sum 38,743

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #220613 ← → #220663

1 11 13 143 1,543 16,973 20,059 220,649

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

220,649 661,948 330,974 165,487 496,462 248,231 744,694 372,347 1,117,042 558,521 1,675,564 837,782 418,891 1,256,674 628,337 1,885,012 942,506 471,253 1,413,760 706,880 353,440 176,720 88,360 44,180 22,090 11,045 33,136 16,568 8,284 4,142 2,071 6,214 3,107 9,322 4,661 13,984 6,992 3,496 1,748 874 437 1,312 656 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242

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