102 (number)

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← 101 102 103 →
Cardinalone hundred two
Ordinal102nd
(one hundred second)
Factorization2 × 3 × 17
Divisors1, 2, 3, 6, 17, 34, 51, 102
Greek numeralΡΒ´
Roman numeralCII
Binary11001102
Ternary102103
Senary2506
Octal1468
Duodecimal8612
Hexadecimal6616

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

In mathematics[edit]

102 is an abundant number and a semiperfect number. It is a sphenic number.

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

102 is the first three-digit 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. 102 is the first 3-digit number divisible by the numbers 3, 6, 17, 34 and 51.

10264 + 1 is a prime number

There are 102 vertices in the Biggs–Smith graph.

In science[edit]

In other fields[edit]

102 is also:

See also[edit]

References[edit]