4, 6, 8, 9, 19
Well, honey, none of the numbers between 3 and 11 are rectangular. Rectangular numbers are the product of two consecutive integers, like 6 (2x3) or 12 (3x4). So, in this case, you're out of luck if you're looking for rectangular numbers between 3 and 11.
ALL of the numbers between 1 and 100 are rectangular numbers, except for 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
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Rectangular numbers are of the form n(n+1) for n = 1, 2, 3, 4, 5, 6, ... The first few rectangular numbers are: 2, 6, 12, 20, 30, 42, ...
1 2 3 4 5
Well, honey, none of the numbers between 3 and 11 are rectangular. Rectangular numbers are the product of two consecutive integers, like 6 (2x3) or 12 (3x4). So, in this case, you're out of luck if you're looking for rectangular numbers between 3 and 11.
Rectangular numbers, also known as oblong or pronic numbers, are the products of two consecutive integers. The rectangular numbers between 3 and 11 are 6 (2×3), 8 (2×4), 12 (3×4), and 20 (4×5). Among these, only 6 and 8 fall within the specified range of 3 to 11.
The prime numbers and the squares of primes between 2 and 20: 3, 4, 5, 7, 9, 11, 13, 17 and 19.
Rectangular numbers, also known as oblong numbers or pronic numbers, are the product of two consecutive integers. The rectangular numbers between 2 and 40 are 6 (2×3), 12 (3×4), 20 (4×5), 30 (5×6), and 42 (6×7). However, since 42 exceeds 40, the rectangular numbers between 2 and 40 are 6, 12, 20, and 30.
ALL of the numbers between 1 and 100 are rectangular numbers, except for 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
If you include 2 and 11, the prime numbers are 2, 3, 5, 7, and 11.
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The prime numbers between 2 and 11 are 3, 5 and 7 and their product: 3 x 5 x 7 = 105
The prime numbers between 10 and 15 are 11 and 13.
Rectangular numbers are of the form n(n+1) for n = 1, 2, 3, 4, 5, 6, ... The first few rectangular numbers are: 2, 6, 12, 20, 30, 42, ...
The numbers that divide evenly into 30 between 1 and 11 are 1, 2, 3, 5, and 6.
12