Properties of the Number 4441

Four Thousand Four Hundred Forty-One

Basics

Value: 4440 → 4441 → 4442

Parity: odd

Prime: Yes

Previous Prime: 4423

Next Prime: 4447

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 4441

Divisors: 1, 4441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1000101011001

Octal: 10531

Duodecimal: 26A1

Hexadecimal: 1159

Square: 19722481

Square Root: 66.64082832618455

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

Maximal coefficient of ∏_k<=n (1 + x^k). Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 0 or 1. A25591

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.6.12 2D tiling (cf. A072154). A299258

Primes whose reversal is a square. A7488

Numbers k such that 2^k + 17 is prime. A57200

Least k>p such that (kp)³ divides (p-1)^kp²+1 for prime p = A000040(n). A128677

Primes which are the concatenation of two squares (in decimal notation). A167535

Values of n such that L(10) and N(10) 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. A227448

Artiads: the primes p == 1 (mod 5) for which Fibonacci((p-1)/5) is divisible by p. A1583

Numbers k such that ∑_j=1..k σ(j) is divisible by k, where σ(j) = sum of divisors of j (A000203). A56550

Number of solutions to +- 1 +- 2 +- 3 +- ... +- n = 1. A63866