Properties of the Number 990
Nine Hundred Ninety
Basics
Parity: even
Prime:
Previous Prime: 983
Next Prime: 991
Digit Sum: 18
Digital Root: 9
Palindrome:
Polygonal
Triangular: Yes
Square:
Pentagonal:
Hexagonal:
Heptagonal:
Tetrahedral:
Today's Target
Today's Target
Representations
Binary: 1111011110
Octal: 1736
Duodecimal: 6A6
Hexadecimal: 3de
Square: 980100
Square Root: 31.464265445104548
Classification
Fibonacci:
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Special
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OEIS Sequences
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