Properties of the Number 45422

Forty-Five Thousand Four Hundred Twenty-Two

Basics

Value: 45421 → 45422 → 45423

Parity: even

Prime: No

Previous Prime: 45413

Next Prime: 45427

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 13 × 1747

Divisors: 1, 2, 13, 26, 1747, 3494, 22711, 45422

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011000101101110

Octal: 130556

Duodecimal: 22352

Hexadecimal: b16e

Square: 2063158084

Square Root: 213.12437683193352

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

a(n) = ∑_{k=0..floor(n/2)} (-1)^k * binomial(2·n-4·k,n-2·k). A360185

a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 5, with initial values 1,1,1,2. A25272

Triangle read by rows: T(n, k, m) = binomial(n, k) - m·binomial(n, k)*binomial(n+1, k)/(k+1) + m·A008292(n+1, k+1) with m = 3. A178346

Primes congruent to {0, 1, 3, 6} mod 7. A45422