MathBabbler observed that the digits of his mother's (Betty's) age, 85, reversed (58) would equal his age on his next birthday.

85 concatentated (appended) with 58 is the palindromic number

8558.MathBabbler Number Analyst (MBNA) output: ========================================= 8558 is a natural, whole, integer 8558 is even 8558 proper divisors are: 1,2,11,22,389,778,4279, 8558 has 7 proper divisors 8558 is deficient (sum of divisors is 5482; ratio: 0.64057) 8558 is unhappy 8558 is a Squarefree Number 8558 is composite (not prime) 8558 has the prime factors: 2*11*389 (sum=402) 8558 is sphenic (had 3 unique prime factors) 8558 is palindromic 8558 is Arithmetic (A003601) 8558 in octal is 020556 8558 in hexadecimal is 0x216e 8558 in binary is 10000101101110 (is odious) 8558 nearest square numbers: -94...91 (8464...8649 [93]) sqrt(8558) = 92.5095 ln(8558) = 9.05462 log(8558) = 3.93237 8558 reciprocal is .00011684973124561813507828931993 8558 is an apocalyptic power 8558! is inf 8558 is 2724.1 Pi years 8558 is 427 score and 18 years

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 18 April 2015

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