Properties of the Number 7182

Seven Thousand One Hundred Eighty-Two

Basics

Value: 7181 → 7182 → 7183

Parity: even

Prime: No

Previous Prime: 7177

Next Prime: 7187

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 7 × 19

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 19, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000001110

Octal: 16016

Duodecimal: 41A6

Hexadecimal: 1c0e

Square: 51581124

Square Root: 84.74668135095321

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

Second 10-gonal (or decagonal) numbers: n*(4·n+3). A33954

Coordination sequence for "pcu-i" 3D uniform tiling. A299277

Multiples of 18 containing a 18 in their decimal representation. A121038

Composite numbers such that the square root of the sum of squares of their prime factors (with multiplicity) is an integer. A134605

a(n) = n*(11·n + 3)/2. A254963

Numbers k such that k divides 2^k+1 - 2. A14741

Write cosec x = 1/x + Sum e_n x^2n-1/(2n-1)!; sequence gives denominators of e_n. A36283

Numbers k such that σ(x) = k has exactly 6 solutions. A60662

Triangle whose rows are generated by A136157ⁿ * [1, 1, 0, 0, 0, ...]. A136158

Determinant of the n X n matrix whose element (i,j) equals the |i-j|-th prime or if i=j, 0. A71079