Properties of the Number 75491

Seventy-Five Thousand Four Hundred Ninety-One

Basics

Value: 75490 → 75491 → 75492

Parity: odd

Prime: No

Previous Prime: 75479

Next Prime: 75503

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 5807

Divisors: 1, 13, 5807, 75491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010011011100011

Octal: 223343

Duodecimal: 3782B

Hexadecimal: 126e3

Square: 5698891081

Square Root: 274.756255615773

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

Interprimes (A024675) which are of the form s·prime, s=13. A75288

Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299559

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299561

Sum of digits of n minus number of divisors of n. A75491