2 × 13 × 23 × 20731

Prime Factor Structure

Factorization String 2 × 13 × 23 × 20731

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 20,897,856

Proper Divisor Sum 8,500,718

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #12397111 ← → #12397157

1 2 13 23 26 46 299 598 20,731 41,462 269,503 476,813 539,006 953,626 6,198,569 12,397,138

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

12,397,138 6,198,569 18,595,708 9,297,854 4,648,927 13,946,782 6,973,391 20,920,174 10,460,087 31,380,262 15,690,131 47,070,394 23,535,197 70,605,592 35,302,796 17,651,398 8,825,699 26,477,098 13,238,549 39,715,648 19,857,824 9,928,912 4,964,456 2,482,228 1,241,114 620,557 1,861,672 930,836 465,418 232,709 698,128 349,064 174,532 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

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