Properties of the Number 23930

Twenty-Three Thousand Nine Hundred Thirty

Basics

Value: 23929 → 23930 → 23931

Parity: even

Prime: No

Previous Prime: 23929

Next Prime: 23957

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 2393

Divisors: 1, 2, 5, 10, 2393, 4786, 11965, 23930

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101110101111010

Octal: 56572

Duodecimal: 11A22

Hexadecimal: 5d7a

Square: 572644900

Square Root: 154.69324484281788

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4. A196485

Number of labeled digraphs with n arcs for which every vertex has indegree at least one and outdegree at least one. A121933

Number of Carlitz compositions of n with exactly seven descents. A241697

Expansion of g.f. ∑_n>=1 qⁿ/(1-q^2·n-q^3·n). A368689

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4. A196481

Number of nX6 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4. A196483

Number of binary strings of length n+10 such that the smallest number whose binary representation is not visible in the string is 10. A261475

a(n) = n²*(n⁸+1)/2. A168126

θ series of A*_18 lattice. A23930