| 词条 | 102 (number) |
| 释义 |
| number = 102 | divisor = 1, 2, 3, 6, 17, 34, 51, 102 }} 102 (one hundred [and] two) is the natural number following 101 and preceding 103. In mathematics102 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
In other fields102 is also:
See also
References
1 : Integers |
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