From Wikipedia, the free encyclopedia
Natural number
| ||||
---|---|---|---|---|
Cardinal | two hundred ninety-eight | |||
Ordinal | 298th (two hundred ninety-eighth) | |||
Factorization | 2 × 149 | |||
Divisors | 1, 2, 149, 298 | |||
Greek numeral | ΣϞΗ´ | |||
Roman numeral | CCXCVIII, ccxcviii | |||
Binary | 1001010102 | |||
Ternary | 1020013 | |||
Senary | 12146 | |||
Octal | 4528 | |||
Duodecimal | 20A12 | |||
Hexadecimal | 12A16 |
298 is the natural number following 297 and preceding 299.
In mathematics
[edit]- 298 is an even composite number with two prime factors.[1]
- 298 is a nontotient and noncototient number which means that phi(x) and x-phi(x) both cannot result in 298.[2][3]
- 298 is the number of polynomial symmetric functions in matrix of order 6 with separate row and column permutations.[4]
- 298 is a number where 6n+1 and 6n-1 are both prime.[5]
References
[edit]- ^ "Facts about the integer". mathworld.wolfram.com.
- ^ Sloane, N. J. A. (ed.). "OEIS (home page)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "OEIS (home page)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A007716 (Number of polynomial symmetric functions of matrix of order n under separate row and column permutations)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ^ Sloane, N. J. A. (ed.). "Sequence A002822 (Numbers m such that 6m-1, 6m+1 are twin primes)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
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