Properties of the Number 69169

Sixty-Nine Thousand One Hundred Sixty-Nine

Basics

Value: 69168 → 69169 → 69170

Parity: odd

Prime: No

Previous Prime: 69163

Next Prime: 69191

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 263 ²

Divisors: 1, 263, 69169

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111000110001

Octal: 207061

Duodecimal: 34041

Hexadecimal: 10e31

Square: 4784350561

Square Root: 263

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

Composite and every divisor (except 1) contains the digit 6. A62674

Sum of legs of primitive Pythagorean triangles having legs that add up to a square, sorted on hypotenuse. A89552

a(n) = (11·n + 10)². A17510

Squares with initial digit '6'. A45789

Squares whose product of digits is also a nonzero square. A53059

Composite numbers k such that the sum of the divisors of k² is a prime. A65405

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change (+-,+-) 0,0 1,2 or 1,0. A264003

Squares of the form 4p - 3, where p is a prime. A110284

Third term of a triple of squares in arithmetic progression, which is not a multiple of another triple in (A198384,A198385,A198386). A198437

Numbers for which the number of odious proper divisors (A000069) equals the number of evil proper divisors (A001969). A227891