### About the Number 497 (four hundred ninety-seven)

497 was the smallest number without a nBAB on 12 June 2018.

```MathBabbler Number Analyst (MBNA) output:
=========================================
497 is natural, counting, whole, integer
497 is odd (not even)
497 is not extremely odd
497 proper divisors are: 1,7,71,
497 has 3 proper divisors
497 is deficient (sum of divisors is 79; ratio: 0.158954)
497 is unhappy
497 is a Squarefree Number
497 is composite (not prime)
497 has the prime factors: 7*71 (sum=78)
497 is semiprime (biprime or 2-almost prime)
497 is a 71-smooth number
497 is the sum of 5 consecutive primes
497 = 89 + 97 + 101 + 103 + 107
497 in octal is 0761
497 in binary is 111110001 (is evil)
497 nearest square numbers: -13...32 (484...529 [23])
sqrt(497) = 22.2935
ln(497) = 6.20859
log(497) = 2.69636
497 is an apocalyptic power (2^497 contains 666)
497! is 9.81994e+1125
497 is 158.2 Pi years
497 is 24 score and 17 years
497 written as a Roman numeral is CDXCVII
497 is 249^2 - 248^2 and 249 + 248 = 497
497 is a multiple of 7 & it contains a 7 (A121027)
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497 reciprocal is 0.002012072434607645875251509054325955734406438631790744466800804828973843058350100603621730382293762575452716297786720321931589537223340040241448692152917505030181086519114688128772635814889336016096579476861167
remainders:
1,10,100,6,60,103,36,360,121,216,172,229,302,38,380,321,228,292,435,374,261,125,256,75,253,45,450,27,270,215,162,129,296,475,277,285,365,171,219,202,32,320,218,192,429,314,158,89,393,451,37,370,221,222,232,332,338,398,4,40,400,24,240,412,144,446,484,367,191,419,214,152,29,290,415,174,249,5,50,3,30,300,18,180,309,108,86,363,151,19,190,409,114,146,466,187,379,311,128,286,375,271,225,262,135,356,81,313,148,486,387,391,431,334,358,101,16,160,109,96,463,157,79,293,445,474,267,185,359,111,116,166,169,199,2,20,200,12,120,206,72,223,242,432,344,458,107,76,263,145,456,87,373,251,25,250,15,150,9,90,403,54,43,430,324,258,95,453,57,73,233,342,438,404,64,143,436,384,361,131,316,178,289,405,74,243,442,444,464,167,179,299,8,80,303,48,480,327,288,395,471,237,382,341,428,304,58,83,333,348,1
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 12 June 2018