Properties of the Number 49009

Forty-Nine Thousand Nine

Basics

Value: 49008 → 49009 → 49010

Parity: odd

Prime: Yes

Previous Prime: 49003

Next Prime: 49019

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 49009

Divisors: 1, 49009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111101110001

Octal: 137561

Duodecimal: 24441

Hexadecimal: bf71

Square: 2401882081

Square Root: 221.37976420621646

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

Primes having only {0, 4, 9} as digits. A385768

Numbers whose least quadratic nonresidue (A020649) is 19. A25027

Sum of the largest parts in the partitions of 3n into 3 parts. A236370

Value of prime number D for incrementally largest values of minimal·satisfying the equation x² - D·y² = -5. A341083

Odd numbers n for which 19 is the smallest i (>= 1) with Jacobi symbol J(i,n) getting either a value 0 or -1. A112078

primes of the form 5n² + 4. A201483

Third prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238675

Value of prime number D for incrementally largest values of minimal y satisfying the equation x² - D·y² = -5. A341085

Primes of the form 10n² + 9. A201711

Primes p such that the maximal length of a nontrivial N(p)-Hensley sequence mod p is less than the value of A124882 for that prime, where N(p) is the least positive quadratic non-residue mod p. A261405