Properties of the Number 52721

Fifty-Two Thousand Seven Hundred Twenty-One

Basics

Value: 52720 → 52721 → 52722

Parity: odd

Prime: Yes

Previous Prime: 52711

Next Prime: 52727

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 52721

Divisors: 1, 52721

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110111110001

Octal: 146761

Duodecimal: 26615

Hexadecimal: cdf1

Square: 2779503841

Square Root: 229.6105398277701

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

Ordered hypotenuses of primitive Pythagorean triangles having legs that add up to a square. A88319

Odd primes p such that φ(p+1) = φ(φ(p-2)+1). A271656

Expansion of g³/(1 - x·g)², where g = 1+x·g⁴ is the g.f. of A002293. A391277

Primes of the form 3n³-7. A200907

Expansion of e.g.f. x*(1-2·x)*(1 - 2·x - sqrt(1-4·x))/2 - x³. A52721