Properties of the Number 40046

Forty Thousand Forty-Six

Basics

Value: 40045 → 40046 → 40047

Parity: even

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 20023

Divisors: 1, 2, 20023, 40046

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110001101110

Octal: 116156

Duodecimal: 1B212

Hexadecimal: 9c6e

Square: 1603682116

Square Root: 200.11496695649728

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

Numbers n such that every digit of n and n-th prime contains a loop (only digits 0,4,6,8,9 in n and n-th prime). A107624

Semiprimes of the form 2*(m² + m + 1) (implying that m² + m + 1 is a prime). A107317

Indices of Ulam prime triples, where u(k), u(k+1) and u(k+2) are all primes, and u(k) = A002858(k) are the Ulam numbers. A307330

Numbers n such that 131·2ⁿ-1 is prime. A50591

Primes p such that 2·p + 11 is a square. A269784

Primes p such that x³ = 6 has a solution mod p. A40046

Odd primes satisfying a specific condition (see comments). A240583