Properties of the Number 23398

Twenty-Three Thousand Three Hundred Ninety-Eight

Basics

Value: 23397 → 23398 → 23399

Parity: even

Prime: No

Previous Prime: 23371

Next Prime: 23399

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11699

Divisors: 1, 2, 11699, 23398

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101101100110

Octal: 55546

Duodecimal: 1165A

Hexadecimal: 5b66

Square: 547466404

Square Root: 152.9640480635891

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)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nXk array. A220794

Equals two maps: number of nX2 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nX2 array. A220372

T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..2 nXk array. A220375

Coefficient of·in the reduction by x²->x+1 of the polynomial p(n,x) defined below in Comments. A192755

T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..3 nXk array. A220430

Numbers k such that 135·2^k+1 is prime. A32417

Positions of 5-digit terms in the continued fraction for π (3 is position 0). A48961

Consecutive terms of A065966 which are also consecutive integers. A65976

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically. A258521

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically. A258522