About the Number 1,420 (one thousand four hundred twenty)

GDT::Quotes hit 1420 quotes on 31 January 2016.

MathBabbler Number Analyst (MBNA) output:
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1420 is a natural, whole, integer
1420 is even
1420 proper divisors are: 1,2,4,5,10,20,71,142,284,355,710,
1420 has 11 proper divisors
1420 is abundant (sum of divisors is 1604; ratio: 1.12958)
1420 is unhappy
1420 is not a Squarefree Number: 4,
1420 is composite (not prime)
1420 has the prime factors: 2*2*5*71 (sum=80)
1420 is a 71-smooth number
1420 is Arithmetic (A003601)
1420 is the sum of 14 consecutive primes
1420 = 71 + 73 + 79 + 83 + 89 + 97 + 101 + 103 + 107 + 
       109 + 113 + 127 + 131 + 137
1420 is not in A038853
1420 in octal is 02614
1420 in hexadecimal is 0x58c
1420 in binary is 10110001100 (is odious)
1420 nearest square numbers: -51...24 (1369...1444 [38])
sqrt(1420) = 37.6829
ln(1420) = 7.25841
log(1420) = 3.15229
1420 reciprocal is .00070422535211267605633802816901
1420 is an apocalyptic power
1420! is 3.36159e+3861
1420 is 452 Pi years
1420 is 71 scoreyears
1420 written as a Roman numeral is MCDXX
1420 is 356^2 - 354^2 and 2 * (356 + 354)
1420 is a multiple of 1 & it contains a 1 (A011531)
1420 is a multiple of 2 & it contains a 2 (A121022)
1420 is a multiple of 4 & it contains a 4 (A121024)
1420 is a multiple of 20 & it contains a 20 (A121040)
1420 is a multiple of 142 & it contains a 142

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 31 January 2016

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