254 (number)
254 (two hundred [and] fifty-four) is the natural number following 253 and preceding 255.
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Cardinal | two hundred fifty-four | |||
Ordinal | 254th (two hundred fifty-fourth) | |||
Factorization | 2 × 127 | |||
Divisors | 1, 2, 127, 254 | |||
Greek numeral | ΣΝΔ´ | |||
Roman numeral | CCLIV | |||
Binary | 111111102 | |||
Ternary | 1001023 | |||
Quaternary | 33324 | |||
Quinary | 20045 | |||
Senary | 11026 | |||
Octal | 3768 | |||
Duodecimal | 19212 | |||
Hexadecimal | FE16 | |||
Vigesimal | CE20 | |||
Base 36 | 7236 |
In mathematics
- It is an even number.
- Is a composite number with four divisors: 1, 2, 127 and 254. Since the sum of its divisors (excluding the same number) is 130 < 254, is a deficient number.
- It is a semiprime number.
- It is a square-free integer.
- It is a number nontotient.
- It is the maximum number of regions in which a plane can be divided by 22 lines.
- It is a congruent number.
In other fields
- 254 nm is one of the wavelengths emitted by a mercury-vapor lamp
gollark: No, they are is valid too.
gollark: And makes it harder for people who need it to get it.
gollark: The trouble with adding lots of rules and procedures and stuff to it is that it imposes a lot of additional cost to delivering welfare at all.
gollark: If another pandemic one doesn't happen (in the time before people inevitably forget any lessons they might have learned), or COVID-19 doesn't prepare us well for the next one, I think it will have been a net negative.
gollark: Realistically, anything big will be rolled back once we're not in a crisis.
References
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