142 (number)
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Short description: Natural number
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|---|---|---|---|---|
| Cardinal | one hundred forty-two | |||
| Ordinal | 142nd (one hundred forty-second) | |||
| Factorization | 2 × 71 | |||
| Divisors | 1, 2, 71, 142 | |||
| Greek numeral | ΡΜΒ´ | |||
| Roman numeral | CXLII | |||
| Binary | 100011102 | |||
| Ternary | 120213 | |||
| Quaternary | 20324 | |||
| Quinary | 10325 | |||
| Senary | 3546 | |||
| Octal | 2168 | |||
| Duodecimal | BA12 | |||
| Hexadecimal | 8E16 | |||
| Vigesimal | 7220 | |||
| Base 36 | 3Y36 | |||
142 (one hundred [and] forty-two) is the natural number following 141 and preceding 143.
In mathematics
There are 142 connected functional graphs on four labeled vertices,[1] 142 planar graphs with 6 unlabeled vertices,[2] and 142 partial involutions on five elements.[3]
See also
- The year AD 142 or 142 BC
- List of highways numbered 142
- All pages with titles containing 142
References
- ↑ Sloane, N. J. A., ed. "Sequence A001865 (Number of connected functions on n labeled nodes)". OEIS Foundation. https://oeis.org/A001865.
- ↑ Sloane, N. J. A., ed. "Sequence A005470 (Number of unlabeled planar simple graphs with n nodes)". OEIS Foundation. https://oeis.org/A005470.
- ↑ Sloane, N. J. A., ed. "Sequence A005425". OEIS Foundation. https://oeis.org/A005425.
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