ⓘ 102 (number)

                                     

ⓘ 102 (number)

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 Eulers totient function φx 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.

                                     

1. In other fields

102 is also:

  • The emergency telephone number for ambulance in parts of India
  • The emergency telephone number for fire in Israel
  • The emergency telephone number for police in Ukraine and Belarus