Properties of the Number 51890

Fifty-One Thousand Eight Hundred Ninety

Basics

Value: 51889 → 51890 → 51891

Parity: even

Prime: No

Previous Prime: 51871

Next Prime: 51893

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 5189

Divisors: 1, 2, 5, 10, 5189, 10378, 25945, 51890

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101010110010

Octal: 145262

Duodecimal: 26042

Hexadecimal: cab2

Square: 2692572100

Square Root: 227.79376637651873

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

Number of partitions of n where the difference between consecutive parts is at most 9. A238869

a(n+3) = floor( ( a(n) + 2·a(n+1) + 3·a(n+2) )/4 ), with a(0), a(1), a(2) equal to 0, 1, 2. A74732

a(n) = 2*(n² - n + 1). A51890