7 × 13 × 31 × 1489

Prime Factor Structure

Factorization String 7 × 13 × 31 × 1489

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,340,160

Proper Divisor Sum 1,139,691

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #4200451 ← → #4200481

1 7 13 31 91 217 403 1,489 2,821 10,423 19,357 46,159 135,499 323,113 600,067 4,200,469

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

4,200,469 12,601,408 6,300,704 3,150,352 1,575,176 787,588 393,794 196,897 590,692 295,346 147,673 443,020 221,510 110,755 332,266 166,133 498,400 249,200 124,600 62,300 31,150 15,575 46,726 23,363 70,090 35,045 105,136 52,568 26,284 13,142 6,571 19,714 9,857 29,572 14,786 7,393 22,180 11,090 5,545 16,636 8,318 4,159 12,478 6,239 18,718 9,359 28,078 14,039 42,118 21,059 63,178 31,589 94,768 47,384 23,692 11,846 5,923 17,770 8,885 26,656

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