102 (number)

← 101 102 103 →
← 100 101 102 103 104 105 106 107 108 109 → List of numbers — Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	one hundred two
Ordinal	102nd (one hundred and second)
Factorization	2 × 3 × 17
Divisors	1, 2, 3, 6, 17, 34, 51, 102
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.

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.

102 is also:

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