7 × 13 × 37 × 149

Prime Factor Structure

Factorization String 7 × 13 × 37 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 638,400

Proper Divisor Sum 136,717

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #501659 ← → #501691

1 7 13 37 91 149 259 481 1,043 1,937 3,367 5,513 13,559 38,591 71,669 501,683

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

501,683 1,505,050 752,525 2,257,576 1,128,788 564,394 282,197 846,592 423,296 211,648 105,824 52,912 26,456 13,228 6,614 3,307 9,922 4,961 14,884 7,442 3,721 11,164 5,582 2,791 8,374 4,187 12,562 6,281 18,844 9,422 4,711 14,134 7,067 21,202 10,601 31,804 15,902 7,951 23,854 11,927 35,782 17,891 53,674 26,837 80,512 40,256 20,128 10,064 5,032 2,516 1,258 629 1,888 944 472 236 118 59 178 89

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