Properties of the Number 40030

Forty Thousand Thirty

Basics

Value: 40029 → 40030 → 40031

Parity: even

Prime: No

Previous Prime: 40013

Next Prime: 40031

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 4003

Divisors: 1, 2, 5, 10, 4003, 8006, 20015, 40030

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110001011110

Octal: 116136

Duodecimal: 1B1BA

Hexadecimal: 9c5e

Square: 1602400900

Square Root: 200.07498594277098

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 1·k + 1, 3·k + 1, 9·k + 1, 27·k + 1 are all primes. A112041

Numbers k such that 1·k + 1, 3·k + 1, 9·k + 1, 27·k + 1, 81·k + 1 are all primes. A112042

Least positive integer k such that both k and k·n belong to the set {m>0: m+1, m²+1 and m²+prime(m)² are all prime}. A261339

Numbers k such that 3·5^k - 2 is prime. A57917

Continued fraction for sqrt(37). A40030

Series reversion of x + 2·x² + x⁴. A217362