Properties of the Number 66049

Sixty-Six Thousand Forty-Nine

Basics

Value: 66048 → 66049 → 66050

Parity: odd

Prime: No

Previous Prime: 66047

Next Prime: 66067

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 257 ²

Divisors: 1, 257, 66049

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001000000001

Octal: 201001

Duodecimal: 32281

Hexadecimal: 10201

Square: 4362470401

Square Root: 257

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

Numbers that are the sum of 4 nonzero 8th powers. A3382

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

Main diagonal of A082043: a(n) = n⁴ + 2·n² + 1. A82044

Squares which are palindromes in base 4. A29987

Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits). A69711

a(n) = (11·n + 4)². A17438

Numbers k such that k² is palindromic in base 16. A29733

Squares with initial digit '6'. A45789

Cyclops squares: squares (A000290) that are also cyclops numbers (A134808). A160711

Palindromic squares in base 16. A29734