Properties of the Number 11311

Eleven Thousand Three Hundred Eleven

Basics

Value: 11310 → 11311 → 11312

Parity: odd

Prime: Yes

Previous Prime: 11299

Next Prime: 11317

Digit Sum: 7

Digital Root: 7

Palindrome: Yes

Factorization: 11311

Divisors: 1, 11311

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000101111

Octal: 26057

Duodecimal: 6667

Hexadecimal: 2c2f

Square: 127938721

Square Root: 106.35318518972528

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

Palindromic primes: prime numbers whose decimal expansion is a palindrome. A2385

Palindromic wing primes (a.k.a. near-repdigit palindromic primes) of the general form r*(10^d - 1)/9 + (m-r)*10^floor(d/2) where d is the number of digits (an odd number > 1), r is the repeated digit, and m (different from r) is the middle digit. A77798

Numbers k such that 2^k + 23 is prime. A57203

Primes with digital product = 3. A107689

Number of partitions of n with odd minimal and maximal parts. A325338

Near-repunit primes. A105992

Numbers with multiplicative digital root value 3. A34050

Numbers having only digits 1 and 3 in their decimal representation. A32917

G.f. satisfies: A(x) = exp( ∑_n>=1 A(xⁿ)/(1+xⁿ) * xⁿ/n ). A198518

Primes whose sum of digits is 7. A62337