Properties of the Number -23081

Twenty-Three Thousand Eighty-One

Basics

Value: -23082 → -23081 → -23080

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 23081

Divisors: 1, 23081

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101000101001

Octal: -55051

Duodecimal: -11435

Hexadecimal: -5a29

Square: 532732561

Square Root: 151.92432326655268

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

Least prime in A031924 (lesser of 6-twins) such that the distance to the next 6-twin is 2·n. A52352

Primes p such that (2^p + 2^(p+1/2) + 1)/5 is prime. A124165

Expansion of ∏_k>=1 (1 + x^k) * (1 + x^2·k) * (1 + x^3·k). A327045

Numbers k such that ((1+I)^k+1)/(2+I) is a Gaussian prime. A124112

Second prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238674

Number of 3's in n-th term of A022470. A22474

Primes of the Form : p1=a·b+c;p2=a·c+b;p3=b·c+a;p=(p1+p2+p3)/2; p1,p2 and p3 are three consecutive prime numbers. A157722

Primes p such that 4·p and 6·p are each the sum of two consecutive primes. A164133

Primes such that applying "reverse and add" twice produces two more primes. A174402

a(n) = ∑_k=1..n k·k', where n' is the arithmetic derivative of n. A190117