Properties of the Number 61018

Sixty-One Thousand Eighteen

Basics

Value: 61017 → 61018 → 61019

Parity: even

Prime: No

Previous Prime: 61007

Next Prime: 61027

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 30509

Divisors: 1, 2, 30509, 61018

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110111001011010

Octal: 167132

Duodecimal: 2B38A

Hexadecimal: ee5a

Square: 3723196324

Square Root: 247.01821795163207

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

Number of 3-noncrossing RNA structures over 2n vertices with no isolated vertices. A187254

Triangle: a(n,m) = number of permutations of (1,2,...,n) with one or more fixed points in the m first positions. A61018