3 × 7 × 31 × 691

Prime Factor Structure

Factorization String 3 × 7 × 31 × 691

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 708,608

Proper Divisor Sum 258,767

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #449833 ← → #449851

1 3 7 21 31 93 217 651 691 2,073 4,837 14,511 21,421 64,263 149,947 449,841

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

449,841 1,349,524 674,762 337,381 1,012,144 506,072 253,036 126,518 63,259 189,778 94,889 284,668 142,334 71,167 213,502 106,751 320,254 160,127 480,382 240,191 720,574 360,287 1,080,862 540,431 1,621,294 810,647 2,431,942 1,215,971 3,647,914 1,823,957 5,471,872 2,735,936 1,367,968 683,984 341,992 170,996 85,498 42,749 128,248 64,124 32,062 16,031 48,094 24,047 72,142 36,071 108,214 54,107 162,322 81,161 243,484 121,742 60,871 182,614 91,307 273,922 136,961 410,884 205,442 102,721

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