187 (number)
187 (one hundred [and] eighty-seven) is the natural number following 186 and preceding 188.
| ||||
---|---|---|---|---|
Cardinal | one hundred eighty-seven | |||
Ordinal | 187th (one hundred eighty-seventh) | |||
Factorization | 11 × 17 | |||
Greek numeral | ΡΠΖ´ | |||
Roman numeral | CLXXXVII | |||
Binary | 101110112 | |||
Ternary | 202213 | |||
Senary | 5116 | |||
Octal | 2738 | |||
Duodecimal | 13712 | |||
Hexadecimal | BB16 |
In mathematics
There are 187 ways of forming a sum of positive integers that adds to 11, counting two sums as equivalent when they are cyclic permutations of each other.[1] There are also 187 unordered triples of 5-bit binary numbers whose bitwise exclusive or is zero.[2]
Per Miller's rules, the triakis tetrahedron produces 187 distinct stellations.[3] It is the smallest Catalan solid, dual to the truncated tetrahedron, which only has 9 distinct stellations.
See also
References
- Sloane, N. J. A. (ed.). "Sequence A008965 (Number of necklaces of sets of beads containing a total of n beads)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- Sloane, N. J. A. (ed.). "Sequence A007581". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- Webb, Robert. "Enumeration of Stellations". www.software3d.com. Archived from the original on 2022-11-25. Retrieved 2022-11-25.
- Marcus, David (2003). "Alternate Chapter Divisions in the Pentateuch in the Light of the Masoretic Sections". Hebrew Studies. Project Muse. 44 (1): 119–128. doi:10.1353/hbr.2003.0035. S2CID 170289096.
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