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Meaning of repunit | Babel Free

Noun CEFR B1

Definitions

A repdigit consisting only of one or more occurrences of the digit 1.

Examples

“11, 111, and 1,111 are repunits.”
“The only known prime repunits are R2, R19, R23, and more recently R317 (discovered by Williams in 1978) and R1031 (discovered by Williams & Dubner in 1986). Moreover, Dubner has determined that for every other prime p less than 10000, the repunit Rp is composite.”
“In this study is introduced a novel generalization of repunit and one-zero numbers through the formulation of the generalized One-kZero.”

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

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