Properties of the Number -2441

Four Hundred Forty-One

Basics

Value: -2442 → -2441 → -2440

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2441

Divisors: 1, 2441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100110001001

Octal: -4611

Duodecimal: -14B5

Hexadecimal: -989

Square: 5958481

Square Root: 49.4064773081425

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

The arithmetic mean of (2k+1)(-1)^k*A_k (k=0,...,n-1), where A₀, A₁,... are Apéry numbers given by A005259. A178791

E.g.f.: exp(-∑_n>=1 A050999(n) * xⁿ). A294461

Expansion of g.f. 1/(1 - x + 2·x³ + x⁴). A112518

Values of n such that L(15) and N(15) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227518

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 145", based on the 5-celled von Neumann neighborhood. A270289

Honaker primes: primes P(k) such that sum of digits of P(k) equals sum of digits of k. A33548

Number of partitions of n containing no part i of multiplicity i. A276429

Primes of the form k⁴ + 29·k² + 101. A272075

Number of partitions of n such that each pair of parts (if any) has a common factor. A200976

Primes of the form x² + 40y². A107145