About the Number 143 (one hundred forty-three)

This nBAB about the number 143 was BAB# 143 for the fall 2009 semester.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   143 is a natural, whole, integer
   143 is odd
   143 proper divisors are: 1,11,13,
   143 is deficient (sum of divisors is 25)
   143 is unhappy
   143 is not a Harshad number
   143 is not prime
   143 has the prime factors: 11*13 (sum=24)
   143 is semiprime (biprime or 2-almost prime)
   143 sum of prime factors is: 24
   143 is ThurmNumber
   143 is the sum of 7 consecutive primes
       (11+13+17+19+23+29+31)
   143 in octal is 0217
   143 in hexadecimal is 0x8f
   143 in binary is 10001111 (is odious)
   143 nearest square numbers: -22...1 (121...144 [12])
   sqrt(143) = 11.9583
   ln(143) = 4.96284
   log(143) = 2.15534
   143 reciprocal is .00699300699300699300699300699300
   143! is 3.85437e+247
   143 is 45.5183 Pi years
   143 is 7 score and 3 years
   143 written as a Roman numeral is CXLIII

1438 is repdigit number 99.


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

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