743 (number)

From HandWiki
Short description: Natural number
← 742 743 744 →
Cardinalseven hundred forty-three
Ordinal743rd
(seven hundred forty-third)
Factorizationprime
Greek numeralΨΜΓ´
Roman numeralDCCXLIII
Binary10111001112
Ternary10001123
Quaternary232134
Quinary104335
Senary32356
Octal13478
Duodecimal51B12
Hexadecimal2E716
Vigesimal1H320
Base 36KN36

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]

743 is an emirp, because 347 (the reversal of its digits) is prime.

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