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126 (number)

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126 is the natural number following 125 and preceding 127.


Cardinal One hundred [and]
twenty-six
Ordinal 126th
Factorization Failed to parse (Missing texvc executable; please see math/README to configure.): 2 \cdot 3^2 \cdot 7
Divisors 2, 3, 6, 7, 9, 14,
18, 21, 42, 63
Roman numeral CXXVI
Binary 1111110
Hexadecimal 7E
Duodecimal A6

In mathematics

One hundred [and] twenty-six is a pentagonal pyramidal number, and a decagonal number as well as a pentatope number. It is an abundant number.

125 and 126 form a Ruth-Aaron pair under the second definition in which repeated prime factors are counted as often as they occur.

In base 10, it is a Harshad number as well as a Friedman number, since 126 = 6 × 21.


In other fields

One hundred [and] twenty-six is also:

co:126 (numeru) fr:126 (nombre) ko:126 it:126 (numero) ht:126 (nonm) hu:126 (szám) ms:126 (nombor) ja:126 no:126 (tall) pl:126 (liczba) pt:Cento e vinte e seis ru:126 (число) sl:126 (število) vi:126 (số) wuu:126 zh-yue:126

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