ℕ atory
Play Now

Properties of the Number 2198

Two Thousand One Hundred Ninety-Eight

Basics

Value: 2197 → 2198 → 2199

Parity: even

Prime: No

Previous Prime: 2179

Next Prime: 2203

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 157

Divisors: 1, 2, 7, 14, 157, 314, 1099, 2198

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100010010110

Octal: 4226

Duodecimal: 1332

Hexadecimal: 896

Square: 4831204

Square Root: 46.88283267892417

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

Number of partitions of n into prime parts. A607
sigma3(n): sum of cubes of divisors of n. A1158
a(n) = n3 + 1. A1093
Fourier coefficients of Einfinity,4. A7331
Numbers that are the sum of 12 positive 7th powers. A3379
Generalized 26-gonal (or icosihexagonal) numbers: m*(12·m - 11) with m = 0, +1, -1, +2, -2, +3, -3, ... A316724
Number of nonempty subsets of {1..n} whose geometric mean is an integer. A326027
Sum of cubes of odd divisors of n. A51000
Number of partitions of the n-th prime into parts that are all primes. A56768
For 0 <= R <= 255, let s(R,n) = eventual period of a single cell in a Rule R cellular automaton operating in a cyclic universe of width n; a(n) = maxR s(R,n). A334499