Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned." Ban numbers are not precisely defined, since some large numbers do not follow the standards of number names (such as googol and googolplex). ^[1]

11 relations: A, E, Googol, Googolplex, I, Large numbers, Neil Sloane, O, Recreational mathematics, T, U.

A

A (named, plural As, A's, as, a's or aes) is the first letter and the first vowel of the ISO basic Latin alphabet.

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E

E (named e, plural ees) is the fifth letter and the second vowel in the modern English alphabet and the ISO basic Latin alphabet.

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Googol

A googol is the large number 10100.

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Googolplex

A googolplex is the number 10, or equivalently, 10.

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I

I (named i, plural ies) is the ninth letter and the third vowel in the ISO basic Latin alphabet.

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Large numbers

Large numbers are numbers that are significantly larger than those ordinarily used in everyday life, for instance in simple counting or in monetary transactions.

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Neil Sloane

Neil James Alexander Sloane (born October 10, 1939) is a British-American mathematician.

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O

O (named o, plural oes) is the 15th letter and the fourth vowel in the modern English alphabet and the ISO basic Latin alphabet.

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Recreational mathematics

Recreational mathematics is mathematics carried out for recreation (entertainment) rather than as a strictly research and application-based professional activity.

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T

T (named tee) is the 20th letter in the modern English alphabet and the ISO basic Latin alphabet.

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U

U (named u, plural ues) is the 21st letter and the fifth vowel in the ISO basic Latin alphabet.

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Redirects here:

Aban number, Eban number, Iban number, Oban number, Uban number.

References

[1] https://en.wikipedia.org/wiki/Ban_number

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