
Curios:
Curios Search:
Participate: 
GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Just showing those entries submitted by 'Silva': (Click here to show all)
89 = 9+8+7+6+5+4+3+2+1+2+3+4+5+6+7+8+9. [Silva] The only twodigit prime p such that 2^p + p is prime. [Silva] The only prime formed from unrepeated composite digits. [Silva] The 5th Fibonacci prime can be expressed by the first 5 integers raised to the first 5 Fibonacci numbers: 1^1 + 2^5 + 3^3 + 4^1 + 5^2. [Silva] 89 minus 8 is the square of 9. Curiously, 89 plus 8 is the next prime after 89. [Silva]
(There are 2 curios for this number that have not yet been approved by an editor.)
Prime Curios! © 20002020 (all rights
reserved)
privacy statement
