About the Number 110 (one hundred ten)

This nBAB about the number 110 was BAB# 110 for the fall 2009 semester. In addition, 110 was the smallest number that didn't have an nBAB for it.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   110 is a natural, whole, integer
   110 is even
   110 proper divisors are: 1,2,5,10,11,22,55,
   110 is deficient (sum of divisors is 106)
   110 is unhappy
   110 is a Harshad number
   110 is not prime
   110 has the prime factors: 2*5*11 (sum=18)
   110 is sphenic (had 3 unique prime factors)
   110 sum of prime factors is: 18
   110 is pronic (oblong)
   110 in octal is 0156
   110 in hexadecimal is 0x6e
   110 in binary is 1101110 (is odious)
   110 nearest square numbers: -10...11 (100...121 [11])
   sqrt(110) = 10.4881
   ln(110) = 4.70048
   log(110) = 2.04139
   110 reciprocal is .00909090909090909090909090909090
   110! is 1.58825e+178
   110 is 35.0141 Pi years
   110 is 5 score and 10 years
   110 written as a Roman numeral is CX

[Wikipedia.org] 110 is the sum of three consecutive squares (5^2 + 6^2 + 7^2).

[Wikipedia.org] 110 is a self number.

   Self or Colombian numbers (not of form n + sum of digits of n). 
   1, 3, 5, 7, 9, 20, 31, 42, 53, 64, 75, 86, 97, 108, 110, 121, 
   132, 143, 154, 165, 176, 187, 198, 209, 211, 222, 233, 244, 
   255, 266, 277, 288, 299, 310, 312, 323, 334, 345, 356, 367, 
   378, 389, 400, 411, 413, 424, 435, 446, 457, 468, 479, 490, 
   501, 512, 514, 525, ...

OEIS.org::id:A003052


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 16 November 2009

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This work is licensed under a Creative Commons Attribution 3.0 United States License.