743 (number)
From Infogalactic: the planetary knowledge core
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|---|---|---|---|---|
| Cardinal | seven hundred forty-three | |||
| Ordinal | 743rd (seven hundred and forty-third) |
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| Factorization | 743 | |||
| Roman numeral | DCCXLIII | |||
| Binary | 10111001112 | |||
| Ternary | 10001123 | |||
| Quaternary | 232134 | |||
| Quinary | 104335 | |||
| Senary | 32356 | |||
| Octal | 13478 | |||
| Duodecimal | 51B12 | |||
| Hexadecimal | 2E716 | |||
| Vigesimal | 1H320 | |||
| Base 36 | KN36 | |||
743 (seven hundred [and] forty three) is the natural number following 742 and preceding 744. It is a prime number.
743 is a Sophie Germain prime, because 2 × 743 + 1 = 1487 is also prime.[1]
There are exactly 743 independent sets in a four-dimensional (16 vertex) hypercube graph,[2] and exactly 743 connected cubic graphs with 16 vertices and girth four.[3]
References
- ↑ "Sloane's A005384 : Sophie Germain primes p: 2p+1 is also prime", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ "Sloane's A027624 ", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ "Sloane's A006924 ", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
