Properties of the Number 23621

Twenty-Three Thousand Six Hundred Twenty-One

Basics

Value: 23620 → 23621 → 23622

Parity: odd

Prime: No

Previous Prime: 23609

Next Prime: 23623

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 13 × 23 × 79

Divisors: 1, 13, 23, 79, 299, 1027, 1817, 23621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110001000101

Octal: 56105

Duodecimal: 11805

Hexadecimal: 5c45

Square: 557951641

Square Root: 153.69124893760218

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

a(n) = T(2n-1,n-2), T given by A026747. A26752

Number of integer partitions of prime(n) into a prime number of prime parts. A316154

Coefficients of the power series expansion at p=1 of the time constant C(-2,p) for last passage percolation on the complete directed acyclic graph, where the edges' weights are equal to 1 or -2 with respective probabilities p and 1-p. A373090

Products of three distinct happy primes A035497. A154717

Number of 2-sided strip polyominoes with n cells and no holes. A333313

Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 14 (most significant digit on right). A61967

T(n,k)=number of nXk binary matrices with rows and columns each in strictly increasing order as binary numbers and all numbers unique. A180995

Number of nX3 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4. A197426

Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7. A252507

Convolution of Lucas numbers and A000201. A23621