Properties of the Number 17997

Seventeen Thousand Nine Hundred Ninety-Seven

Basics

Value: 17996 → 17997 → 17998

Parity: odd

Prime: No

Previous Prime: 17989

Next Prime: 18013

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 857

Divisors: 1, 3, 7, 21, 857, 2571, 5999, 17997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011001001101

Octal: 43115

Duodecimal: A4B9

Hexadecimal: 464d

Square: 323892009

Square Root: 134.15289784421356

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that φ(2n+1) = σ(n). A67229

Lucky numbers for which both the sum of the digits and the product of the digits is also a lucky number. A118559

Half the number of n X n symmetric binary matrices with each 1 adjacent to an even number of other 1's. A140963

Number of primitive (aperiodic) word structures of length n using a 5-ary alphabet. A56276

Expansion of 1/((1-3x)*(1-7x)*(1-8x)). A17997

Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302638