### 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 )
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 