Properties of the Number 23111

Twenty-Three Thousand One Hundred Eleven

Basics

Value: 23110 → 23111 → 23112

Parity: odd

Prime: No

Previous Prime: 23099

Next Prime: 23117

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 11 ² × 191

Divisors: 1, 11, 121, 191, 2101, 23111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101001000111

Octal: 55107

Duodecimal: 1145B

Hexadecimal: 5a47

Square: 534118321

Square Root: 152.02302457193778

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

a(n) = floor(n*φ¹⁸), where φ is the golden ratio, A001622. A4933

Numbers k such that k²+k+3 is a palindrome. A27714

Denominators of continued fraction convergents to sqrt(157). A41289

Composite numbers whose prime factors contain no digits other than 1 and 9. A36309

Denominators of continued fraction convergents to sqrt(628). A42205

Numbers that eventually reach 1 under "x -> sum of 4th power of digits of x". A219111

Incrementally largest values of minimal y satisfying the equation x² - D·y² = 3, where D is a prime number. A336800

Irregular triangle read by rows, in which row n lists the computation of the tag system T_C(3,2) with alphabet {1, 2, 3}, deletion number 2, and production rules 1 -> 23, 2 -> 1, 3 -> 111, when started from the word encoding n. A351849

a(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=3, a(1)=11. A22410

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 37 ones. A31805