7 × 13 × 67 × 331

Prime Factor Structure

Factorization String 7 × 13 × 67 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,528,512

Proper Divisor Sum 510,405

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #2018077 ← → #2018111

1 7 13 67 91 331 469 871 2,317 4,303 6,097 22,177 30,121 155,239 288,301 2,018,107

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

2,018,107 6,054,322 3,027,161 9,081,484 4,540,742 2,270,371 6,811,114 3,405,557 10,216,672 5,108,336 2,554,168 1,277,084 638,542 319,271 957,814 478,907 1,436,722 718,361 2,155,084 1,077,542 538,771 1,616,314 808,157 2,424,472 1,212,236 606,118 303,059 909,178 454,589 1,363,768 681,884 340,942 170,471 511,414 255,707 767,122 383,561 1,150,684 575,342 287,671 863,014 431,507 1,294,522 647,261 1,941,784 970,892 485,446 242,723 728,170 364,085 1,092,256 546,128 273,064 136,532 68,266 34,133 102,400 51,200 25,600 12,800

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