About the Number 422 (four hundred twenty-two)

422 was the smallest number without a nBAB on 7 May 2017.

MathBabbler Number Analyst (MBNA) output:
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422 is natural, counting, whole, integer
422 is even (not odd)
422 proper divisors are: 1,2,211,
422 has 3 proper divisors
422 is deficient (sum of divisors is 214; ratio: 0.507109)
422 is unhappy
422 is a Squarefree Number
422 is composite (not prime)
422 has the prime factors: 2*211 (sum=213)
422 is semiprime (biprime or 2-almost prime)
422 is a 211-smooth number
422 in octal is 0646
422 in hexadecimal is 0x1a6
422 in binary is 110100110 (is odious)
422 nearest square numbers: -22...19 (400...441 [21])
sqrt(422) = 20.5426
ln(422) = 6.04501
log(422) = 2.62531
422! is 2.09611e+926
422 is 134.327 Pi years
422 is 21 score and 2 years
422 written as a Roman numeral is CDXXII
422 is a multiple of 2 & it contains a 2 (A121022)
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422 reciprocal is 0.0023696682464454976303317535545
remainders: 
1,10,100,156,294,408,282,288,348,104,196,272,188,192,232,210,412,322,266,128,14,140,134,74,318,226,150,234,230,190,212,10

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 07 May 2017

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