Repdigit

A Schnapszahl is a multi-digit number that is exclusively represented by identical digits. In mathematics, these numbers are also called repdigit English for repeated digits to German repeated numerals.

Shot numbers are for example:

The name is derived from playing with several participants from where the course is manifested as a result of mitprotokollierten addition. A shot for example - - If the total score of the player is a crazy number, are sorted according to existing rules or oral agreements may be free drinks for the players due.

Another interpretation refers to the fact that after excessive alcohol consumption double vision can occur, causing a 22 or a 33, a 333 or a 3333 can be from a 2.

Since the equality of numbers at random from the selected number base ( in the example here in decimal ) depends, is a mild form of magic number. Particular importance is the clever number 666 to which is referred to in the Book of Revelation as the number of the beast. It is specially used in the field of Heavy Metal.

In mathematics, the repdigits play an important role in the binary system (see also Mersenne prime ). In this place value system repdigits can consist only of the number 1 and therefore bear the name repunit (repeated unit = repeated unit ). Regardless of the place value system used is that under the repdigits only the Repunits with a prime number of digits can be prime numbers, all other repdigit numbers are put together.

Notwithstanding the above definition also axisymmetric numerical sequences are separated liquor called numbers. It is then Zahlenpalindrome, for example:

The standing figures have the same value on the head, isolated called liquor numbers, for example:

• 69
• 609
• 9886