Properties of the Number 23986

Twenty-Three Thousand Nine Hundred Eighty-Six

Basics

Value: 23985 → 23986 → 23987

Parity: even

Prime: No

Previous Prime: 23981

Next Prime: 23993

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 67 × 179

Divisors: 1, 2, 67, 134, 179, 358, 11993, 23986

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110110110010

Octal: 56662

Duodecimal: 11A6A

Hexadecimal: 5db2

Square: 575328196

Square Root: 154.87414245121747

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

Triangle of rooted planar maps up to orientation-preserving isomorphisms. A46653

a(n) is the index of A384793(n) in A038618. A384794

Indices k such that the determinant of the 3 X 3 Hankel matrix of consecutive primes starting at prime(k) is 0. A392523

Sum of exponents of primes in C(4n,2n) - sum of exponents of primes in C(2n,n). A23986