Properties of the Number -49813

Forty-Nine Thousand Eight Hundred Thirteen

Basics

Value: -49814 → -49813 → -49812

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 109 × 457

Divisors: 1, 109, 457, 49813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001010010101

Octal: -141225

Duodecimal: -249B1

Hexadecimal: -c295

Square: 2481334969

Square Root: 223.1882613400624

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 σ(reverse(n)) = φ(n). A70856

E.g.f. satisfies A(x) = exp(x * (1 + x) * A(x²)). A367747

Semiprimes of the form p·q where p < q such that q divides p^q+1 + 1 and (q-p)^q+1 + 1. A278921

Positive integers with binary expansion (b(1), ..., b(m)) such that ∑_{i = 1..m-k} b(i)*b(i+k) is odd for all k = 0..m-1. A360388

Numbers k such that 2^k-61 is prime. A182156