62 (number)
62 (sixty-two) is a natural number following 61 and preceding 63.
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| Cardinal | sixty-two | |||
| Ordinal | 62nd (sixty-second) | |||
| Factorization | 2 × 31 | |||
| Divisors | 1, 2, 31, 62 | |||
| Greek numeral | ΞΒ´ | |||
| Roman numeral | LXII | |||
| Binary | 1111102 | |||
| Ternary | 20223 | |||
| Quaternary | 3324 | |||
| Quinary | 2225 | |||
| Senary | 1426 | |||
| Octal | 768 | |||
| Duodecimal | 5212 | |||
| Hexadecimal | 3E16 | |||
| Vigesimal | 3220 | |||
| Base 36 | 1Q36 | |||
In mathematics
62 is:
- a composite number with the divisors 2 and 31, being the eighteenth discrete semiprime.
- a nontotient.[1]
- palindromic and a repdigit in bases 5 (2225), 30 (2230) and 61 (1161)
- the sum of the number of faces, edges and vertices of icosahedron or dodecahedron.
- the number of faces of two of the Archimedean solids, the rhombicosidodecahedron and truncated icosidodecahedron.
- the only number whose cube in base 10 (238328) consists of 3 digits each occurring 2 times.[2]
- the tenth member of the 7-aliquot tree (7, 8, 10, 14, 20, 22, 34, 38, 49, 62, 75, 118, 148, etc). It has an aliquot sum of 34; itself a discrete semiprime, and its aliquot sequence is: 62,34,20,22,14,10,8,7,1,0.
In science
- Sixty-two is the atomic number of Samarium, a lanthanide
In other fields
- 62 is the code for international direct dial calls to Indonesia.
- In the 1998 Home Run Race, Mark McGwire hit his 62nd home run on September 8, breaking the single-season record. Sammy Sosa hit his 62nd home run just days later on September 13.
- Under Social Security (United States), the earliest age at which a person may begin receiving retirement benefits (other than disability)
References
- "Sloane's A005277 : Nontotients". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-30.
- John D. Cook (5 February 2010). "Carnival of Mathematics #62".
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