Properties of the Number 63181

Sixty-Three Thousand One Hundred Eighty-One

Basics

Value: 63180 → 63181 → 63182

Parity: odd

Prime: No

Previous Prime: 63179

Next Prime: 63197

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 23 × 41 × 67

Divisors: 1, 23, 41, 67, 943, 1541, 2747, 63181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111011011001101

Octal: 173315

Duodecimal: 30691

Hexadecimal: f6cd

Square: 3991838761

Square Root: 251.35830998795325

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 integer partitions of n having a part that can be written as a nonnegative linear combination of the other (possibly equal) parts. A364913

a(n) = (2·n³ - n² - n + 2)/2. A81441

Number of partitions of n+4 with largest inscribed rectangle having area <= n. A218625

E.g.f.: ∏_k>=1 1 / (1 - x^k)^cos(x/k). A347896

Half the number of nX3 binary arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185829

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 833", based on the 5-celled von Neumann neighborhood. A273677

Numbers k such that A073734(k) is neither squarefree nor a prime power. A365899

Number of fusenes with 26 hexagons, C_2v symmetry and containing n carbon atoms. A123662

T(n,k)=Half the number of nXk binary arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185835

The array of A063179 read by diagonals in the 'up' direction. A63181