Properties of the Number 7849

Seven Thousand Eight Hundred Forty-Nine

Basics

Value: 7848 → 7849 → 7850

Parity: odd

Prime: No

Previous Prime: 7841

Next Prime: 7853

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 47 × 167

Divisors: 1, 47, 167, 7849

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1111010101001

Octal: 17251

Duodecimal: 4661

Hexadecimal: 1ea9

Square: 61606801

Square Root: 88.5945822271317

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

Triangular array C(n, r) = number of connected r-regular graphs with n nodes, 0 <= r < n. A68934

Triangle read by rows: T(n,r) is the number of not necessarily connected r-regular graphs with n nodes, 0 <= r < n. A51031

Number of connected regular graphs of degree 6 (or sextic graphs) with n nodes. A6822

a(n) = nⁿ⁺¹ - (n+1)ⁿ. A7925

Number of 5-regular graphs (quintic graphs) on 2n vertices. A165626

Number of 6-regular graphs (sextic graphs) on n vertices. A165627

Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p. A282043

Sum of the quadratic nonresidues of prime(n). A125615

a(n) = 5ⁿ - n⁵. A24054

a(n) = 6ⁿ - n⁶. A24068