Properties of the Number 40423

Forty Thousand Four Hundred Twenty-Three

Basics

Value: 40422 → 40423 → 40424

Parity: odd

Prime: Yes

Previous Prime: 40387

Next Prime: 40427

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 40423

Divisors: 1, 40423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1001110111100111

Octal: 116747

Duodecimal: 1B487

Hexadecimal: 9de7

Square: 1634018929

Square Root: 201.0547189199995

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 at which the difference pattern X424Y (X and Y >= 6) occurs in A001223. A52166

Primes having square prime gaps to both neighbor primes. A353088

a(n) = diagonal sum of left-justified array T given by A027052. A27069

Primes of the form 7n² - 9. A201854

Primes of the form (2·k³ + 3·k² + k - 12)/6. A178608

(n)! + (n + 1)!!/(n + 1) - 2. A275541

Continued fraction for sqrt(445). A40423

The number of lozenge tilings of a semiregular hexagon of side lengths n, n, 2·n, n, n and 2·n; equivalently, the number of plane partitions whose solid Young diagram fits inside an n X n X 2·n box. A352656