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158 (number)

From Wikipedia, the free encyclopedia
Natural number
← 157158 159 →
Cardinalone hundred fifty-eight
Ordinal158th
(one hundred fifty-eighth)
Factorization2 × 79
Divisors1, 2, 79, 158
Greek numeralΡΝΗ´
Roman numeralCLVIII,clviii
Binary100111102
Ternary122123
Senary4226
Octal2368
Duodecimal11212
Hexadecimal9E16

158 (one hundred [and] fifty-eight) is thenatural number following157 and preceding159.

In mathematics

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158 is anontotient, since there is no integer with 158coprimes below it. 158 is aPerrin number, appearing after 68, 90, 119.[1]

References

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  1. ^"Sloane's A001608 : Perrin sequence".The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved2016-05-28.

External links

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