Properties of the Number 4490

Four Thousand Four Hundred Ninety

Basics

Value: 4489 → 4490 → 4491

Parity: even

Prime: No

Previous Prime: 4483

Next Prime: 4493

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 449

Divisors: 1, 2, 5, 10, 449, 898, 2245, 4490

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1000110001010

Octal: 10612

Duodecimal: 2722

Hexadecimal: 118a

Square: 20160100

Square Root: 67.00746227100382

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

Centered square numbers: a(n) = 4·n² + 4·n + 2. A69894

a(n) = prime(n)² + 1. A66872

T(n,k)=Number of lower triangles of an (n+2k-2)X(n+2k-2) 0..k array with new values introduced in row major order 0..k and no element unequal to more than one horizontal or vertical neighbor. A194778

Number of integers with a shortest addition chain of length n. A3065

Numbers k such that prime(k) + prime(k+1) + prime(k+2) is a square. A76305

a(n) = a(n-2) + a(n-3) + a(n-4), with initial values a(0) = 0, a(1) = 2, a(2) = 3, a(3) = 6. A1634

Numbers n such that n¹²⁸+(n+1)¹²⁸ is a prime. A215431

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock diagonal minimum minus antidiagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal maximum nondecreasing vertically. A253231

Numbers k such that there are precisely 4 groups of orders k and k + 1. A295990

Numbers k such that k | sigma₇(k). A55711