Properties of the Number 51084

Fifty-One Thousand Eighty-Four

Basics

Value: 51083 → 51084 → 51085

Parity: even

Prime: No

Previous Prime: 51071

Next Prime: 51109

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 11 × 43

Divisors: 1, 2, 3, 4, 6, 9, 11, 12, 18, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011110001100

Octal: 143614

Duodecimal: 25690

Hexadecimal: c78c

Square: 2609575056

Square Root: 226.01769842204837

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 ways to place 2 nonattacking kings on an n X n cylindrical chessboard. A194650

Triangle of coefficients of polynomials u(n,x) jointly generated with A210861; see the Formula section of A210861. A210860

Numbers k such that 5·2^k - 7 is prime. A59749

Number of arrays of 2n nondecreasing integers in -4..4 with sum zero and equal numbers greater than zero and less than zero. A203287

Decimal expansion of 6/(Catalan*π²). A88454

Primes p such that x³⁰ = -2 has a solution mod p. A51084