Properties of the Number 47146

Forty-Seven Thousand One Hundred Forty-Six

Basics

Value: 47145 → 47146 → 47147

Parity: even

Prime: No

Previous Prime: 47143

Next Prime: 47147

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 2143

Divisors: 1, 2, 11, 22, 2143, 4286, 23573, 47146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011100000101010

Octal: 134052

Duodecimal: 2334A

Hexadecimal: b82a

Square: 2222745316

Square Root: 217.13129668474787

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

The number of closed λ calculus terms of size n, where size(λ x.M)=2+size(M), size(M N)=2+size(M)+size(N), and size(V)=1+i for a variable V bound by the i-th enclosing λ (corresponding to a binary encoding). A114852

Number of purely crossing partitions of [n]. A268814

Numbers n such that sum of cubes of even digits of n equals sum of cubes of odd digits of n. A76165

Least k such that k·M(n) * M(n+1) + 1 is prime where M(n) = A000668(n). A98917

Numerators of continued fraction convergents to sqrt(469). A41894

Number of primes p of the form k² + 1 less than 10ⁿ such that p+2 and 2p+1 are also primes. A356364

T(n,n+1), array T as in A047140. A47146