Properties of the Number 22397

Twenty-Two Thousand Three Hundred Ninety-Seven

Basics

Value: 22396 → 22397 → 22398

Parity: odd

Prime: Yes

Previous Prime: 22391

Next Prime: 22409

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 22397

Divisors: 1, 22397

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011101111101

Octal: 53575

Duodecimal: 10B65

Hexadecimal: 577d

Square: 501625609

Square Root: 149.6562728387955

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

Home primes whose homeliness is greater than 3. A133961

Home primes whose homeliness is 4. A133962

Class 6+ primes. A81634

Least prime of the form prime(n)² + k², or 0 if none. A240130

Prime time primes (of the form HMMSS with primes H < 24 and MM, SS < 60) such that the corresponding number of seconds after midnight is also prime. A295000

Primes p such that continued fraction of (1+sqrt(p))/2 has period 5 : primes in A146330. A146350

a(n) = least m > 1 such that m + (prime(n)#)ⁿ is prime. A263925

Number of 1's in n-th term of A006711. A22477

Prime numbers that are the sum of the first k lucky numbers, A046279(k), for some k. A46281

Primes with 4 distinct digits that remain prime (no leading zeros allowed) after deleting all occurrences of its digits d. A57880