About the Number 1979 (one thousand nine hundred seventy-nine)

MathBabbler learned on 9 September 2012 that the first Sunday after Labor Day is Grandparents Day. On Grandparents Day 2012, MathBabbler was a grandparent with two grandkids. MathBabbler's last alive grandparent died in 1979.

A couple more tidbits about 1979... MathBabbler graduated high school and started college in 1979.

MathBabbler Number Analyst (MBNA) output:
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1979 is a natural, whole, integer
1979 is odd
1979 proper divisors are: 1,
1979 is deficient (sum of divisors is 1)
1979 is unhappy
1979 is a Squarefree Number
1979 is not a Harshad number
1979 is prime
...Sexy prime with 1973
...Truman Gerald prime with 1949
...OEIS:002145 (4n+3; n=494)
...reversible prime with 9791
...Right-truncatable
...Eisenstein
1979 is the sum of 5 consecutive primes
1979 = 383 + 389 + 397 + 401 + 409
1979 in octal is 03673
1979 in hexadecimal is 0x7bb
1979 in binary is 11110111011 (is odious)
1979 nearest square numbers: -43...46 (1936...2025 )
sqrt(1979) = 44.486
ln(1979) = 7.59035
log(1979) = 3.29645
1979 reciprocal is .00050530570995452248610409297625
1979 is an apocalyptic power
1979! is inf
1979 is 629.935 Pi years
1979 is 98 score and 19 years
1979 written as a Roman numeral is MCMLXXIX
1979 = 990^2 - 989^2 and 990 + 989 = 1979

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 09 September 2012 