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Meaning of automorphic number | Babel Free

Noun CEFR B2

Definitions

A number whose decimal representation of its square ends in itself.

Equivalents

Examples

“5 is an automorphic number because 5² = 25, which ends in 5.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

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