Properties of the Number 47143

Forty-Seven Thousand One Hundred Forty-Three

Basics

Value: 47142 → 47143 → 47144

Parity: odd

Prime: Yes

Previous Prime: 47137

Next Prime: 47147

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 47143

Divisors: 1, 47143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011100000100111

Octal: 134047

Duodecimal: 23347

Hexadecimal: b827

Square: 2222462449

Square Root: 217.12438831232203

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 5 X 5 X 5 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n. A166213

Primes p in prime triples (p, p+4, p+6) at the end of the maximal gaps in A201596. A233435

Primes p which are floor of Root-Mean-Cube (RMC) of prime(n) and prime(n+1). A240339

Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any west, northeast or northwest neighbors modulo 6 and the upper left element equal to 0. A267428

T(n,n-1), array T as in A047140. A47143

Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = prime(2^n-1*(2·k-1)), n,k >= 1. A264731

a(n) = (n+1)-th term of the (n+1)-th inverse binomial transform of this sequence for n>=0. A138983