Properties of the Number 40047

Forty Thousand Forty-Seven

Basics

Value: 40046 → 40047 → 40048

Parity: odd

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 1907

Divisors: 1, 3, 7, 21, 1907, 5721, 13349, 40047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110001101111

Octal: 116157

Duodecimal: 1B213

Hexadecimal: 9c6f

Square: 1603762209

Square Root: 200.11746550463806

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

Concatenations C1 and C2 and C3 are all prime (see the comment lines). A34817

Primes p such that x³ = 6 has no solution mod p. A40047

Number of n X 3 0..1 arrays with no 1 equal to more than two of its horizontal and vertical neighbors, with the exception of exactly two elements. A283227

Number of 4 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302268