Properties of the Number 20267

Twenty Thousand Two Hundred Sixty-Seven

Basics

Value: 20266 → 20267 → 20268

Parity: odd

Prime: No

Previous Prime: 20261

Next Prime: 20269

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 13 × 1559

Divisors: 1, 13, 1559, 20267

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111100101011

Octal: 47453

Duodecimal: B88B

Hexadecimal: 4f2b

Square: 410751289

Square Root: 142.36221408786813

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

Number of triples (w,x,y) with all terms in {0,...,n} and w < floor((x+y)/3). A212971

Numbers k such that 216·k+108 is a term of A097703 and A007494 and A098240. A98241

Numbers k such that k! has a palindromic prime number of digits. A35067

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood. A271018

Strong pseudoprimes to base 41. A20267