13 × 19867

Prime Factor Structure

Factorization String 13 × 19867

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 278,152

Proper Divisor Sum 19,881

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #258253 ← → #258277

1 13 19,867 258,271

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

258,271 774,814 387,407 1,162,222 581,111 1,743,334 871,667 2,615,002 1,307,501 3,922,504 1,961,252 980,626 490,313 1,470,940 735,470 367,735 1,103,206 551,603 1,654,810 827,405 2,482,216 1,241,108 620,554 310,277 930,832 465,416 232,708 116,354 58,177 174,532 87,266 43,633 130,900 65,450 32,725 98,176 49,088 24,544 12,272 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841

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