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187 (number)

From Wikipedia, the free encyclopedia
← 186 187 188 →
Cardinalone hundred eighty-seven
Ordinal187th
(one hundred eighty-seventh)
Factorization11 × 17
Greek numeralΡΠΖ´
Roman numeralCLXXXVII
Binary101110112
Ternary202213
Senary5116
Octal2738
Duodecimal13712
HexadecimalBB16

187 (one hundred [and] eighty-seven) is the natural number following 186 and preceding 188.

In mathematics

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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.

In other fields

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There are 187 chapters in the Hebrew Torah.[4]

See also

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References

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  1. ^ 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.
  2. ^ Sloane, N. J. A. (ed.). "Sequence A007581". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  3. ^ Webb, Robert. "Enumeration of Stellations". www.software3d.com. Archived from the original on 2022-11-26. Retrieved 2022-11-25.
  4. ^ Marcus, David (2003). "Alternate Chapter Divisions in the Pentateuch in the Light of the Masoretic Sections". Hebrew Studies. 44 (1). Project Muse: 119–128. doi:10.1353/hbr.2003.0035. S2CID 170289096.