Properties of the Number -2741

Seven Hundred Forty-One

Basics

Value: -2742 → -2741 → -2740

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2741

Divisors: 1, 2741

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010110101

Octal: -5265

Duodecimal: -1705

Hexadecimal: -ab5

Square: 7513081

Square Root: 52.354560450833695

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

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 115", based on the 5-celled von Neumann neighborhood. A270184

G.f.: ∏_k>=1 (1 + x^{2·k - 1}) / (1 - x^2·k). A6950

a(n) = prime(n²). A11757

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 15: primes in A146338. A146360

Lower prime of a difference of 8 between consecutive primes. A31926

Numbers n such that C(4n,n)/(3n+1) (A002293) is not divisible by 4. A78971

Number of strict integer partitions of n such that every orderless pair of distinct parts has a different sum. A325877

Primes congruent to 1 mod 20. A141881

G.f.: ∏_k>0 (1-x^2k-1)/(1-x^2k). A106507

a(n) = 2·n² + 3. A93328