102 (number)

102 (one hundred [and] two) is the natural number following 101 and preceding 103.

102
Cardinal one hundred [and] two
Ordinal 102nd
(one hundred [and] second)
Numeral system 102
Factorization 2 \cdot 3 \cdot 17
Divisors 1, 2, 3, 6, 17, 34, 51, 102
Roman numeral CII
Binary 11001102
Octal 1468
Duodecimal 8612
Hexadecimal 6616

Contents

In mathematics

102 is an abundant number and semiperfect number. It is a sphenic number. It is the sum of four consecutive prime numbers (19 + 23 + 29 + 31).

The sum of Euler's totient function φ(x) over the first eighteen integers is 102.

102 is the third base 10 polydivisible number, since 1 is divisible by 1, 10 is divisible by 2 and 102 is divisible by 3. This also shows that 102 is a Harshad number.

In science

In other fields

102 is also:

See also

References


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