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135 is the natural number following 134 and preceding 136. In mathematics This number in base 10 can be expressed in operations using its own digits in at least two different ways. One is as a sum-product number, 135 = (1 + 3 + 5)(1 \times 3 \times 5) (1 and 144 share this property) and the other is as the sum of consecutive powers of its digits: 135 = 1^1 + 3^2 + 5^3 (175, 518, and 598 also have this property). 135 is a Harshad number. There are a total of 135 primes between 1,000 and 2,000. 135 = 11 n^2 + 11 n + 3 for n = 3. This polynomial plays an essential role in Ap ry's proof that \zeta(2) is irrational. In the military In transportation In other fields See also External links az:135 ( d d) ca:Nombre 135 cv:135 ( ) eu:Ehun eta hogeita hamabost fa: ( ) fr:135 (nombre) ko:135 id:135 (angka) it:135 (numero) hu:135 (sz m) mk:135 ( ) ms:135 (nombor) ja:135 no:135 (tall) pt:Cento e trinta e cinco ru:135 ( ) nso:135 (nomoro) sl:135 ( tevilo) uk:135 ( ) za:Bak sam cib haj vi:135 (s ) zh:135
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