Properties of the Number 40406

Forty Thousand Four Hundred Six

Basics

Value: 40405 → 40406 → 40407

Parity: even

Prime: No

Previous Prime: 40387

Next Prime: 40423

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 89 × 227

Divisors: 1, 2, 89, 178, 227, 454, 20203, 40406

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110111010110

Octal: 116726

Duodecimal: 1B472

Hexadecimal: 9dd6

Square: 1632644836

Square Root: 201.01243742614534

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 k such that binomial(3k, k) + 1 is prime. A125221

Number of ways to choose a strict composition of each part of a strict integer partition of n. A336142

Smallest sequence which lists the position of digits "3" in the sequence. A167453

Number of subsets of {1,2,...,n} such that no two elements differ by 1, 2, 4, or 5. A375186

Continued fraction for sqrt(427). A40406