2⁴ × 5 × 13 × 19² × 31

Prime Factor Structure

Factorization String 2^4 × 5 × 13 × 19^2 × 31

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 120

Divisor Sum (σ) 31,747,968

Proper Divisor Sum 20,109,328

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #11638639 ← → #11638643

1 2 4 5 8 10 13 16 19 20 26 31 38 40 52 62 65 76 80 95 104 124 130 152 155 190 208 247 248 260 304 310 361 380 403 494 496 520 589 620 722 760 806 988 1,040 1,178 1,235 1,240 1,444 1,520 1,612 1,805 1,976 2,015 2,356 2,470 2,480 2,888 2,945 3,224

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

11,638,640 5,819,320 2,909,660 1,454,830 727,415 2,182,246 1,091,123 3,273,370 1,636,685 4,910,056 2,455,028 1,227,514 613,757 1,841,272 920,636 460,318 230,159 690,478 345,239 1,035,718 517,859 1,553,578 776,789 2,330,368 1,165,184 582,592 291,296 145,648 72,824 36,412 18,206 9,103 27,310 13,655 40,966 20,483 61,450 30,725 92,176 46,088 23,044 11,522 5,761 17,284 8,642 4,321 12,964 6,482 3,241 9,724 4,862 2,431 7,294 3,647 10,942 5,471 16,414 8,207 24,622 12,311

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