3 × 13 × 19 × 571

Prime Factor Structure

Factorization String 3 × 13 × 19 × 571

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 640,640

Proper Divisor Sum 217,529

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #423109 ← → #423121

1 3 13 19 39 57 247 571 741 1,713 7,423 10,849 22,269 32,547 141,037 423,111

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

423,111 1,269,334 634,667 1,904,002 952,001 2,856,004 1,428,002 714,001 2,142,004 1,071,002 535,501 1,606,504 803,252 401,626 200,813 602,440 301,220 150,610 75,305 225,916 112,958 56,479 169,438 84,719 254,158 127,079 381,238 190,619 571,858 285,929 857,788 428,894 214,447 643,342 321,671 965,014 482,507 1,447,522 723,761 2,171,284 1,085,642 542,821 1,628,464 814,232 407,116 203,558 101,779 305,338 152,669 458,008 229,004 114,502 57,251 171,754 85,877 257,632 128,816 64,408 32,204 16,102

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