Properties of the Number 67180

Sixty-Seven Thousand One Hundred Eighty

Basics

Value: 67179 → 67180 → 67181

Parity: even

Prime: No

Previous Prime: 67169

Next Prime: 67181

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 3359

Divisors: 1, 2, 4, 5, 10, 20, 3359, 6718, 13436, 16795

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011001101100

Octal: 203154

Duodecimal: 32A64

Hexadecimal: 1066c

Square: 4513152400

Square Root: 259.1910492281707

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)=1/36 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last. A184457

Numbers k such that the determinant of the Vandermonde matrix of their digits is equal to σ(k), the sum of divisors of k. A307586

1/36 the number of (n+2)X5 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last. A184451

1/36 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last. A184454

Smallest prime with digit sum n, or 0 if no such prime exists. A67180