Properties of the Number 49471

Forty-Nine Thousand Four Hundred Seventy-One

Basics

Value: 49470 → 49471 → 49472

Parity: odd

Prime: No

Previous Prime: 49463

Next Prime: 49477

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 61 × 811

Divisors: 1, 61, 811, 49471

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000100111111

Octal: 140477

Duodecimal: 24767

Hexadecimal: c13f

Square: 2447379841

Square Root: 222.42077241121163

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

T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors. A282862

Numbers k that are the products of two distinct primes such that 2·k-1, 4·k-3, 8·k-7, 16·k-15, 32·k-31 and 64·k-63 are also products of two distinct primes. A177215

Numbers k that are the products of two distinct primes such that 2·k-1, 4·k-3, 8·k-7, 16·k-15, 32·k-31, 64·k-63 and 128·k-127 are also products of two distinct primes. A177216

The products k of two distinct primes such that 2·k-1, 4·k-3, 8·k-7, 16·k-15, 32·k-31, 64·k-63, 128·k-127 and 256·k-255 are also products of two distinct primes. A177217

The least number s having exactly n threes in the continued fraction of sqrt(s). A206583

Numerators of the convergents to log₂(5). A116985

Strong pseudoprimes to base 14. A20240

Numbers n such that n!3 - 3⁸ is prime, where n!3 = n!!! is a triple factorial number (A007661). A261344

Number of nX3 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors. A282857

Number of nX7 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors. A282861