Properties of the Number 18769

Eighteen Thousand Seven Hundred Sixty-Nine

Basics

Value: 18768 → 18769 → 18770

Parity: odd

Prime: No

Previous Prime: 18757

Next Prime: 18773

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 137 ²

Divisors: 1, 137, 18769

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100101010001

Octal: 44521

Duodecimal: AA41

Hexadecimal: 4951

Square: 352275361

Square Root: 137

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

Squares of primes. A1248

a(n) = (4·n + 1)². A16814

Squares in which parity of digits alternates. A30152

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

a(n) = (6·n + 5)². A16970

Squares and cubes of primes. A168363

a(n) = (11·n + 5)². A17450

Squares of primes lacking the digit zero in their decimal expansion. A52043

Perfect squares which are not the sum of two primes. A106562

Perfect squares which are neither the sum nor the difference of two primes. A106573