135 = 12 + 34 + 5 + 67 + 8 + 9
135 = 9 + 8 + 7 + 65 + 43 + 2 + 1
135 = 0^5 + 1^9 + 2^8 + 3^4 − 4^7 + 5^6 + 6^2 + 7^1 + 8^3 + 9^0
135 = 1^2 + 2^2 + 3^2 + 11^2 = 1^2 + 2^2 + 7^2 + 9^2 = 1^2 + 3^2 + 5^2 + 10^2 = 1^2 + 6^2 + 7^2 + 7^2 = 2^2 + 5^2 + 5^2 + 9^2 = 3^2 + 3^2 + 6^2 + 9^2 = 5^2 + 5^2 + 6^2 + 7^2
135 divides 26^2 - 1.
135 = 11 × (11 + 1) + 1 + 1 + 1
135 = 22 + 2 + 222/2
135 = 3 + 3 × 33 + 33
135 = (4 − 4/4) × (44 + 4/4)
135 = 5 × 5 × 5 + 5 + 5
135 = 6 + 6 + 6 + 6 + 666/6
135 = 7 + ((7 + 7)/7)7
135 = 8 × (8 + 8) + 8 − 8/8
135 = 99 + 9 + 9 + 9 + 9
135 = 11 + 32 + 53
a(n) = 2^n + n, n = 7
Number that is divisible by the product of its digits.
Number k such that (11*10^k + 19)/3 is prime
Number of edges in an equilateral triangle when n internal equilateral triangles are drawn between the 3n points that divide each side into n+1 equal parts. (n=5)
Number of distinct products i*j*k for 1 <= i <= j < k <= n, n = 11
135 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares)
Factors: 1, 3, 5, 9, 15, 27, 45, 135
One hundred thirty-five
Representations, Binary to Hexadecimal:
10000111_2
12000_3
2013_4
1020_5
343_6
252_7
207_8
160_9
113_11
b3_12
a5_13
99_14
90_15
87_16
<--- --->
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
