Properties of the Number 45400

Forty-Five Thousand Four Hundred

Basics

Value: 45399 → 45400 → 45401

Parity: even

Prime: No

Previous Prime: 45389

Next Prime: 45403

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 ² × 227

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000101011000

Octal: 130530

Duodecimal: 22334

Hexadecimal: b158

Square: 2061160000

Square Root: 213.07275752662517

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

Irregular table read by rows: Take a triangle with Pythagorean triple leg lengths with all diagonals drawn, as in A332978. Then T(n,k) = number of k-sided polygons in that figure for k >= 3 where the legs are divided into unit length parts. A333135

a(n) is the number of primes occurring between A053182(n) and A053183(n) (excluding the endpoints). A238399

Practical numbers q with q + 2 and q² + 2 both practical. A294225

Triangle read by rows, with T(n,k) giving the number of n X n Boolean matrices with exactly k ones having at least one zero row and at least one zero column. A392483

Numbers k that divide the k-th Franel number. A372940

a(n) = {n²}_n. A122635

Primes congruent to {0, 1, 3, 5} mod 7. A45400

Number of (n+1)X(2+1) 0..3 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250530

Number of (2+1)X(n+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250709