Properties of the Number 8861

Eight Thousand Eight Hundred Sixty-One

Basics

Value: 8860 → 8861 → 8862

Parity: odd

Prime: Yes

Previous Prime: 8849

Next Prime: 8863

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 8861

Divisors: 1, 8861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001010011101

Octal: 21235

Duodecimal: 5165

Hexadecimal: 229d

Square: 78517321

Square Root: 94.13288479590966

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

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 21. A51962

Balanced primes of order five. A96697

Primes such that the sum of the predecessor and successor primes is divisible by 41. A113157

Primes at which the difference pattern X24Y (X and Y >= 6) occurs in A001223. A52163

Indices of semiprimes where largest gap occurs. Or, positions of records in A065516. A85809

Primes p such that (p-1)*(p+1)-+p are primes. A154939

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 3 king-move adjacent elements, with upper left element zero. A297823

Primes p such that A001175(p) = (p-1)/5. A308790

Primes having only {1, 6, 8} as digits. A385782

Primes p such that p1=Floor[p/2]+p is prime and p2=Ceiling[p1/2]+p1 is prime. A158712