Properties of the Number 91425

Ninety-One Thousand Four Hundred Twenty-Five

Basics

Value: 91424 → 91425 → 91426

Parity: odd

Prime: No

Previous Prime: 91423

Next Prime: 91433

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 23 × 53

Divisors: 1, 3, 5, 15, 23, 25, 53, 69, 75, 115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10110010100100001

Octal: 262441

Duodecimal: 44AA9

Hexadecimal: 16521

Square: 8358530625

Square Root: 302.3656726548171

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) is the number of n X k 0..2 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor. A201539

Number of (w,x,y,z) with all terms in {0,...,n} and at least one of them is the range of {w,x,y,z}. A212746

Number of nX4 0..2 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor. A201535

Number of nX5 0..2 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor. A201536

Write the natural numbers in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal. A91425