Properties of the Number 51143

Fifty-One Thousand One Hundred Forty-Three

Basics

Value: 51142 → 51143 → 51144

Parity: odd

Prime: No

Previous Prime: 51137

Next Prime: 51151

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 199 × 257

Divisors: 1, 199, 257, 51143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011111000111

Octal: 143707

Duodecimal: 2571B

Hexadecimal: c7c7

Square: 2615606449

Square Root: 226.14818150938115

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 3's in n-th term of A022470. A22474

Brilliant numbers k such that 2k+1 is also brilliant. A85649

Numbers n such that sigma₃(n) is divisible by square of cototient of n, while n is not a prime number. A91286

Numbers k such that the k-th prime is a partition number. A51143

The least k such that the decimal expansion of 3^k contains 9 consecutive n's. A215783