Properties of the Number 22807

Twenty-Two Thousand Eight Hundred Seven

Basics

Value: 22806 → 22807 → 22808

Parity: odd

Prime: Yes

Previous Prime: 22787

Next Prime: 22811

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 22807

Divisors: 1, 22807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 101100100010111

Octal: 54427

Duodecimal: 11247

Hexadecimal: 5917

Square: 520159249

Square Root: 151.0198662428225

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

Balanced primes of order four. A82079

Primes of the form k²+6. A56909

Primes of the form p² + 6 where p is prime. A79141

One of the two successive approximations up to 2ⁿ for 2-adic integer sqrt(17). This is the 3 (mod 4) case. A341539

Primes p such that x³⁶ = 2 has no solution mod p, but x¹² = 2 has a solution mod p. A59668

Smallest prime larger than square of n-th prime. A62772

Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = n! * k! * [xⁿ * y^k] (1/2) * (1 / (exp(x) + exp(y) - exp(x+y))² - 1). A382740

Largest prime == 7 (mod 8) with class number 2n+1. A2147

Primes of the form floor(k*(k+1)*π/2), k>=0, where π = 3.1415.. = A000796. A163579

Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=2, k=1 and l=1. A176612