Properties of the Number 40813

Forty Thousand Eight Hundred Thirteen

Basics

Value: 40812 → 40813 → 40814

Parity: odd

Prime: Yes

Previous Prime: 40801

Next Prime: 40819

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 40813

Divisors: 1, 40813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001111101101101

Octal: 117555

Duodecimal: 1B751

Hexadecimal: 9f6d

Square: 1665700969

Square Root: 202.02227599945508

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

Primes that remain prime through 3 iterations of function f(x) = 5x + 2. A23283

Primes of the form k² + 9. A138353

Numbers k such that the sum of the first k composite numbers is palindromic. A53779

Primes of the form n²+number of divisors of n². A188665

Prime numbers whose central digit equals the sum of the other digits. A235119

Number of perfect squares in the half-open interval [π^n-1, πⁿ). A306604

Fourth term of strong prime sextets: p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1). A54816

Continued fraction for sqrt(843). A40813