### About the Number 493 (four hundred ninety-three)

493 was the smallest number without a nBAB on 8 June 2018.

```MathBabbler Number Analyst (MBNA) output:
=========================================
493 is natural, counting, whole, integer
493 is odd (not even)
493 is not extremely odd
493 proper divisors are: 1,17,29,
493 has 3 proper divisors
493 is deficient (sum of divisors is 47; ratio: 0.0953347)
493 is unhappy
493 is a Squarefree Number
493 is composite (not prime)
493 has the prime factors: 17*29 (sum=46)
493 is semiprime (biprime or 2-almost prime)
493 is a 29-smooth number
493 is sum of two squares
...493 = 13^2 + 18^2
...493 = 3^2 + 22^2
492 and 493 are a Ruth-Aaron pair (distinct prime factors)
493 is the sum of 7 consecutive primes
493 = 59 + 61 + 67 + 71 + 73 + 79 + 83
493 is a Lychrel Number
493 in octal is 0755
493 in hexadecimal is 0x1ed
493 in binary is 111101101 (is odious)
493 nearest square numbers: -9...36 (484...529 [23])
sqrt(493) = 22.2036
ln(493) = 6.20051
log(493) = 2.69285
493! is 1.62907e+1115
493 is 156.927 Pi years
493 is 24 score and 13 years
493 written as a Roman numeral is CDXCIII
493 is 247^2 - 246^2 and 247 + 246 = 493
________________________________________________________________________________________________________________
493 reciprocal is 0.0020283975659229208924949290060851926977687626774847870182555780933062880324543610547667342799188640973630831643
remainders:
1,10,100,14,140,414,196,481,373,279,325,292,455,113,144,454,103,44,440,456,123,244,468,243,458,143,444,3,30,300,42,420,256,95,457,133,344,482,383,379,339,432,376,309,132,334,382,369,239,418,236,388,429,346,9,90,407,126,274,275,285,385,399,46,460,163,151,31,310,142,434,396,16,160,121,224,268,215,178,301,52,27,270,235,378,329,332,362,169,211,138,394,489,453,93,437,426,316,202,48,480,363,179,311,152,41,410,156,81,317,212,148,1
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 08 June 2018

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