161 (number)

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160 161 162
Cardinal one hundred sixty-one
Ordinal 161st
(one hundred sixty-first)
Factorization 7 × 23
Divisors 1, 7, 23, 161
Greek numeral ΡΞΑ´
Roman numeral CLXI
Binary 101000012
Ternary 122223
Senary 4256
Octal 2418
Duodecimal 11512
Hexadecimal A116

161 (one hundred [and] sixty-one) is the natural number following 160 and preceding 162.

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161 is also:

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127 is the natural number following 126 and preceding 128. It is also a prime number.

169 is the natural number following 168 and preceding 170.

145 is the natural number following 144 and preceding 146.

129 is the natural number following 128 and preceding 130.

131 is the natural number following 130 and preceding 132.

133 is the natural number following 132 and preceding 134.

167 is the natural number following 166 and preceding 168.

152 is the natural number following 151 and preceding 153.

136 is the natural number following 135 and preceding 137.

173 is the natural number following 172 and preceding 174.

141 is the natural number following 140 and preceding 142.

139 is the natural number following 138 and preceding 140.

154 is the natural number following 153 and preceding 155.

156 is the natural number, following 155 and preceding 157.

181 is the natural number following 180 and preceding 182.

159 is a natural number following 158 and preceding 160.

165 is the natural number following 164 and preceding 166.

168 is the natural number following 167 and preceding 169.

176 is the natural number following 175 and preceding 177.

182 is the natural number following 181 and preceding 183.

References

  1. "Sloane's A002412 : Hexagonal pyramidal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. "A002113 - Oeis".
  3. "161>88". Czech Republic: Antifascist Action. 2012. Archived from the original (Documentary) on 3 January 2018. Retrieved 2 January 2018.