102 (number)

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← 101 102 103 →
Cardinal one hundred two
Ordinal 102nd
(one hundred second)
Factorization 2 × 3 × 17
Divisors 1, 2, 3, 6, 17, 34, 51, 102
Greek numeral ΡΒ´
Roman numeral CII
Binary 11001102
Ternary 102103
Quaternary 12124
Quinary 4025
Senary 2506
Octal 1468
Duodecimal 8612
Hexadecimal 6616
Vigesimal 5220
Base 36 2U36

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

In mathematics[edit]

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

In science[edit]

In other fields[edit]

102 is also:

See also[edit]

References[edit]