259 (two hundred
ndfifty-nine) is the
natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, and so on, possibly excluding 0. Some start counting with 0, defining the natural numbers as the non-negative integers , while others start with 1, defining them as the positive in ...
following
258 and preceding
260
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Year 260 ( CCLX) was a leap year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Saecularis and Donatus (or, less frequently, year 1013 ''Ab urbe condita
''Ab urbe condita' ...
.
In mathematics
259 is:
*a
semiprime
*6
3 + 6
2 + 6 + 1, so 259 is a
repdigit
In recreational mathematics, a repdigit or sometimes monodigit is a natural number composed of repeated instances of the same digit in a positional number system (often implicitly decimal). The word is a portmanteau of "repeated" and "digit".
Ex ...
in base 6 (1111
6)
*a
lucky number
In number theory, a lucky number is a natural number in a set which is generated by a certain " sieve". This sieve is similar to the sieve of Eratosthenes that generates the primes, but it eliminates numbers based on their position in the rema ...
*Assuming A=1, B=2, C=3, D=4, etc..., all the way up to Z=26, when 259 is spelled out in word form, including the word "and", and when every single number indicating its letter position is added, the value is 259.
References
Integers
{{Num-stub