Count to an Extremly Large, Undefined, Number!
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Re: Count to an Extremly Large, Undefined, Number!
128
and My Lord you are still as handsom as if you were 20
and My Lord you are still as handsom as if you were 20
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robert- Seeker
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Registration date : 2011-02-11
Re: Count to an Extremly Large, Undefined, Number!
145!
Although composite, 145 is a pseudoprime.
Given 145, the Mertens function returns 0.
145 is a pentagonal number and a centered square number.
145 = 122 + 12 = 82 + 92. 145 is the fourth number that is the sum of two different pairs of squares. Also, 145 is the result of 34 + 43, making it a Leyland number.
145 = 1! + 4! + 5!, making it a factorion. The only other numbers that have the property that they are the sum of the factorials of their digits are 1, 2 and 40585
ooc: I am not a mathematician, I totally got this off the internet.
Although composite, 145 is a pseudoprime.
Given 145, the Mertens function returns 0.
145 is a pentagonal number and a centered square number.
145 = 122 + 12 = 82 + 92. 145 is the fourth number that is the sum of two different pairs of squares. Also, 145 is the result of 34 + 43, making it a Leyland number.
145 = 1! + 4! + 5!, making it a factorion. The only other numbers that have the property that they are the sum of the factorials of their digits are 1, 2 and 40585
ooc: I am not a mathematician, I totally got this off the internet.
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