13 × 19 × 37 × 73

Prime Factor Structure

Factorization String 13 × 19 × 37 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 787,360

Proper Divisor Sum 120,213

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #667141 ← → #667171

1 13 19 37 73 247 481 703 949 1,387 2,701 9,139 18,031 35,113 51,319 667,147

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

667,147 2,001,442 1,000,721 3,002,164 1,501,082 750,541 2,251,624 1,125,812 562,906 281,453 844,360 422,180 211,090 105,545 316,636 158,318 79,159 237,478 118,739 356,218 178,109 534,328 267,164 133,582 66,791 200,374 100,187 300,562 150,281 450,844 225,422 112,711 338,134 169,067 507,202 253,601 760,804 380,402 190,201 570,604 285,302 142,651 427,954 213,977 641,932 320,966 160,483 481,450 240,725 722,176 361,088 180,544 90,272 45,136 22,568 11,284 5,642 2,821 8,464 4,232

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