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Welcome to Wikiafripedia, the free encyclopedia that you can monetize your contributions. Aimed at WAP ZERO to the sum of all knowledge.

# 495 (number)

Cardinalfour hundred ninety-five
Ordinal495th
(four hundred ninety-fifth)
FactorizationScript error: No such module "Factorization".
Greek numeralΥϞΕ´
Roman numeralTemplate:Roman
Binary1111011112
TernaryTemplate:Ternary
QuaternaryTemplate:Quaternary
QuinaryTemplate:Quinary
SenaryTemplate:Senary
Octal7578
Duodecimal35312
VigesimalTemplate:Vigesimal
Base 36DR36

495 (four hundred [and] ninety-five) is the natural number following 494 and preceding 496. It is a pentatope number[1] (and so a binomial coefficient [itex] \tbinom {12}4 [/itex]).

## Kaprekar transformation

The Kaprekar's routine algorithm is defined as follows for three-digit numbers:

Repeating this process will always reach 495 in a few steps. Once 495 is reached, the process stops because 954 – 459 = 495.

### Example

For example, choose 495:

495

The only three-digit numbers for which this function does not work are repdigits such as 111, which give the answer 0 after a single iteration. All other three-digits numbers work if leading zeros are used to keep the number of digits at 3:

211 – 112 = 099
990 – 099 = 891 (rather than 99 - 99 = 0)
981 – 189 = 792
972 – 279 = 693
963 – 369 = 594
954 − 459 = 495

The number 6174 has the same property for the four-digit numbers.