Properties of the Number -40049

Forty Thousand Forty-Nine

Basics

Value: -40050 → -40049 → -40048

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 29 × 1381

Divisors: 1, 29, 1381, 40049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001110001110001

Octal: -116161

Duodecimal: -1B215

Hexadecimal: -9c71

Square: 1603922401

Square Root: 200.12246250733574

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 (2·k)!/(2*(k!)²) - 1 is prime. A112861

Least number having exactly two odd prime factors that differ by 2·n². A190052

Expansion of 1/(1-2·x²-3·x³). A2447

Numbers k such that the continued fraction for sqrt(k) has period 97. A20436

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 57. A31645

Smallest k such that τ(k)=reversal(k-n). A241474

Numbers with three or more digits such that every three consecutive digits are a nonzero square. A365820