7 × 13 × 19 × 109

Prime Factor Structure

Factorization String 7 × 13 × 19 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 246,400

Proper Divisor Sum 57,939

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #188459 ← → #188473

1 7 13 19 91 109 133 247 763 1,417 1,729 2,071 9,919 14,497 26,923 188,461

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

188,461 565,384 282,692 141,346 70,673 212,020 106,010 53,005 159,016 79,508 39,754 19,877 59,632 29,816 14,908 7,454 3,727 11,182 5,591 16,774 8,387 25,162 12,581 37,744 18,872 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 2,128 1,064 532 266 133 400 200

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