Properties of the Number 40780

Forty Thousand Seven Hundred Eighty

Basics

Value: 40779 → 40780 → 40781

Parity: even

Prime: No

Previous Prime: 40771

Next Prime: 40787

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 2039

Divisors: 1, 2, 4, 5, 10, 20, 2039, 4078, 8156, 10195

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111101001100

Octal: 117514

Duodecimal: 1B724

Hexadecimal: 9f4c

Square: 1663008400

Square Root: 201.9405853215247

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

First of triples of consecutive happy numbers, i.e., the first of three consecutive integers each of which is a happy number (A007770). A72494

Continued fraction for sqrt(809). A40780