3 × 19 × 31 × 379

Prime Factor Structure

Factorization String 3 × 19 × 31 × 379

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 972,800

Proper Divisor Sum 303,107

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #669689 ← → #669701

1 3 19 31 57 93 379 589 1,137 1,767 7,201 11,749 21,603 35,247 223,231 669,693

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

669,693 2,009,080 1,004,540 502,270 251,135 753,406 376,703 1,130,110 565,055 1,695,166 847,583 2,542,750 1,271,375 3,814,126 1,907,063 5,721,190 2,860,595 8,581,786 4,290,893 12,872,680 6,436,340 3,218,170 1,609,085 4,827,256 2,413,628 1,206,814 603,407 1,810,222 905,111 2,715,334 1,357,667 4,073,002 2,036,501 6,109,504 3,054,752 1,527,376 763,688 381,844 190,922 95,461 286,384 143,192 71,596 35,798 17,899 53,698 26,849 80,548 40,274 20,137 60,412 30,206 15,103 45,310 22,655 67,966 33,983 101,950 50,975 152,926

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