3 × 5 × 17 × 1669

Prime Factor Structure

Factorization String 3 × 5 × 17 × 1669

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 721,440

Proper Divisor Sum 295,845

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #425591 ← → #425603

1 3 5 15 17 51 85 255 1,669 5,007 8,345 25,035 28,373 85,119 141,865 425,595

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

425,595 1,276,786 638,393 1,915,180 957,590 478,795 1,436,386 718,193 2,154,580 1,077,290 538,645 1,615,936 807,968 403,984 201,992 100,996 50,498 25,249 75,748 37,874 18,937 56,812 28,406 14,203 42,610 21,305 63,916 31,958 15,979 47,938 23,969 71,908 35,954 17,977 53,932 26,966 13,483 40,450 20,225 60,676 30,338 15,169 45,508 22,754 11,377 34,132 17,066 8,533 25,600 12,800 6,400 3,200 1,600 800 400 200 100 50 25 76

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