Properties of the Number 42563

Forty-Two Thousand Five Hundred Sixty-Three

Basics

Value: 42562 → 42563 → 42564

Parity: odd

Prime: No

Previous Prime: 42557

Next Prime: 42569

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 31 × 1373

Divisors: 1, 31, 1373, 42563

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011001000011

Octal: 123103

Duodecimal: 2076B

Hexadecimal: a643

Square: 1811608969

Square Root: 206.3080221416511

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 k such that 15^k - 2 is a prime. A128458

T(n,k)=Number of nXk 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors. A208269

Number of n X 3 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors. A208264

Number of nX6 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors. A208267

The maximal exponent in the prime factorization of the numbers whose maximal exponent in their prime factorization is a square. A374325

The square root of the maximal exponent in the prime factorization of the numbers whose maximal exponent in their prime factorization is a square. A374326

Denominators of continued fraction convergents to sqrt(810). A42563

10-adic integer·such that x⁷ = 1/3. A225451