About the Number 602 (six hundred two)

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Note: 602 is an area code with 577 exchanges (including 314 and 272) in Arizona.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   602 is a natural, whole, integer
   602 is even
   602 proper divisors are: 1,2,7,14,43,86,301,
   602 is deficient (sum of divisors is 454)
   602 is unhappy
   602 is not a Harshad number
   602 is not prime
   602 has the prime factors: 2*7*43 (sum=52)
   602 is sphenic (had 3 unique prime factors)
   602 sum of prime factors is: 52
   602 in octal is 01132
   602 in hexadecimal is 0x25a
   602 in binary is 1001011010 (is odious)
   602 nearest square numbers: -26...23 (576...625 [25])
   sqrt(602) = 24.5357
   ln(602) = 6.40026
   log(602) = 2.7796
   602 reciprocal is .00166112956810631229235880398671
   602! is 4.57887e+1413
   602 is 191.623 Pi years
   602 is 30 score and 2 years
   602 written as a Roman numeral is DCII

NumberGossip.com reported that 602 is a Ulam number.

   [source: OEIS.org]

   Ulam numbers: a(1) = 1; a(2) = 2; for n>2, 
   a(n) = least number > a(n-1) which is a 
   unique sum of two distinct earlier terms.

   1, 2, 3, 4, 6, 8, 11, 13, 16, 18, 26, 28, 36, 38, 47, 
   48, 53, 57, 62, 69, 72, 77, 82, 87, 97, 99, 102, 106, 
   114, 126, 131, 138, 145, 148, 155, 175, 177, 180, 182, 
   189, 197, 206, 209, 219, 221, 236, 238, 241, 243, 253, 
   258, 260, 273, 282, 309, 316, 319, 324, 339, ...

OEIS.org::id:A002858

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 10 June 2009