About the Number 142 (one hundred forty-two)

This nBAB about the number 142 was BAB# 142 for the fall 2009 semester.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   142 is a natural, whole, integer
   142 is even
   142 proper divisors are: 1,2,71,
   142 is deficient (sum of divisors is 74)
   142 is unhappy
   142 is not a Harshad number
   142 is not prime
   142 has the prime factors: 2*71 (sum=73)
   142 is semiprime (biprime or 2-almost prime)
   142 sum of prime factors is: 73
   142 is ThurmNumber
   142 in octal is 0216
   142 in hexadecimal is 0x8e
   142 in binary is 10001110 (is evil)
   142 nearest square numbers: -21...2 (121...144 [12])
   sqrt(142) = 11.9164
   ln(142) = 4.95583
   log(142) = 2.15229
   142 reciprocal is .00704225352112676056338028169014
   142! is 2.69536e+245
   142 is 45.2 Pi years
   142 is 7 score and 2 years
   142 written as a Roman numeral is CXLII

[WolframAlpha.com] 142 has the "unique representation 5^2+6^2+9^2 as a sum of 3 squares."

[NumberGossip.com] 142 is the "smallest semiprime whose sum of divisors is a cube."


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 29 November 2009

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