Properties of the Number 51019

Fifty-One Thousand Nineteen

Basics

Value: 51018 → 51019 → 51020

Parity: odd

Prime: No

Previous Prime: 51001

Next Prime: 51031

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 163 × 313

Divisors: 1, 163, 313, 51019

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011101001011

Octal: 143513

Duodecimal: 25637

Hexadecimal: c74b

Square: 2602938361

Square Root: 225.87385860253949

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

Nonprime squarefree numbers whose prime indices all have the same ω (A001222) and the same sum of prime indices (A056239). A327908

Integers k such that A072473(k) = A072473(k+1) = A072473(k+2) = A072473(k+3). A255172

Numbers that are 3-persistent but not 4-persistent. A51019

Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. A298450