Properties of the Number 23557

Twenty-Three Thousand Five Hundred Fifty-Seven

Basics

Value: 23556 → 23557 → 23558

Parity: odd

Prime: Yes

Previous Prime: 23549

Next Prime: 23561

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 23557

Divisors: 1, 23557

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110000000101

Octal: 56005

Duodecimal: 11771

Hexadecimal: 5c05

Square: 554932249

Square Root: 153.48289807011074

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 followed by a [4,2,4] prime difference pattern of A001223. A52378

Home primes whose homeliness is greater than 4. A133963

Home primes whose homeliness is 5. A133964

Primes at which the difference pattern X424Y (X and Y >= 6) occurs in A001223. A52166

Primes that are a concatenation of 2, 3 and a prime. A101218

Primes with at least one of each prime digit. A108419

Numerators of b(n) = (1/16ⁿ)*(4/(8·n+1) - 2/(8·n+4) - 1/(8·n+5) - 1/(8·n+6)). A48581

Primes of the form k² - 7·k + 7. A89376

Primes with prime number of only prime digits (i.e., 2, 3, 5, 7). A124888

Primes with a prime number of digits and using all of the prime digits 2, 3, 5, 7 repeated in strings, in that order. A153771