Properties of the Number 54042

Fifty-Four Thousand Forty-Two

Basics

Value: 54041 → 54042 → 54043

Parity: even

Prime: No

Previous Prime: 54037

Next Prime: 54049

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 9007

Divisors: 1, 2, 3, 6, 9007, 18014, 27021, 54042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101001100011010

Octal: 151432

Duodecimal: 27336

Hexadecimal: d31a

Square: 2920537764

Square Root: 232.4693528188178

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

a(n) = N(5,n), where N(5,x) is the 5th Narayana polynomial. A90198

a(n) = ∑_{k + l·m <= n} (k + l·m), with 0 <= k,l,m <= n. A106846

Number of binary arrays of length n+11 with no more than 6 ones in any length 12 subsequence (=50% duty cycle). A212400

Number of binary arrays of length 2·n+5 with no more than n ones in any length 2n subsequence (=50% duty cycle). A212407

T(n,k)=Number of binary arrays of length n+2·k-1 with no more than k ones in any length 2k subsequence (=50% duty cycle). A212402

Decimal expansion of 1 - 1/sqrt(10). A54042