Properties of the Number 23213

Twenty-Three Thousand Two Hundred Thirteen

Basics

Value: 23212 → 23213 → 23214

Parity: odd

Prime: No

Previous Prime: 23209

Next Prime: 23227

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 139 × 167

Divisors: 1, 139, 167, 23213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101010101101

Octal: 55255

Duodecimal: 11525

Hexadecimal: 5aad

Square: 538843369

Square Root: 152.35813073151036

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 numbers in bases 2 and 8 written in base 10. A259380

Nonprime squarefree numbers whose prime indices all have the same ω (A001222) and the same sum of prime indices (A056239). A327908

Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly three bit positions. A261075

Numbers that are both binary palindromes and binary Smith numbers. A334530

Denominators of continued fraction convergents to sqrt(696). A42339

a(n) is the numerator of ∑_k=0..n (-1)^k / (k!)². A354304

a(n) = ((n+1)²*(n-1)*a(n-1)+(-1)ⁿ⁺¹)/n. A74702

Number of length 6+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third. A248439

Numbers having four 5's in base 8. A43444

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, 1, -1), (1, -1, 0), (1, 1, 1)}. A149703