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# 208 (number)

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### 208 (number)

 ← 207 208 209 →
Cardinal two hundred eight
Ordinal 208th
(two hundred and eighth)
Factorization 24× 13
Roman numeral CCVIII
Binary 110100002
Ternary 212013
Quaternary 31004
Quinary 13135
Senary 5446
Octal 3208
Duodecimal 15412
Vigesimal A820
Base 36 5S36

208 (two hundred [and] eight) is the natural number following 207 and preceding 209.

208 is a practical number,[1] a tetranacci number,[2][3] a rhombic matchstick number,[4] and a member of Aronson's sequence.[5] There are exactly 208 five-bead necklaces drawn from a set of beads with four colors,[6] and 208 generalized weak orders on three labeled points.[7][8]

## References

1. ^ "Sloane's A005153 : Practical numbers", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
2. ^ "Sloane's A000078 : Tetranacci numbers", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
3. ^ .
4. ^ "Sloane's A045944 : Rhombic matchstick numbers", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
5. ^ "Sloane's A005224 : T is the first, fourth, eleventh, ... letter in this sentence, not counting spaces or commas (Aronson's sequence)", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
6. ^ "Sloane's A001868 : Number of n-bead necklaces with 4 colors", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
7. ^ "Sloane's A004121 : Generalized weak orders on n points", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
8. ^ .

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