Properties of the Number 2201

Two Thousand Two Hundred One

Basics

Value: 2200 → 2201 → 2202

Parity: odd

Prime: No

Previous Prime: 2179

Next Prime: 2203

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 31 × 71

Divisors: 1, 31, 71, 2201

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 100010011001

Octal: 4231

Duodecimal: 1335

Hexadecimal: 899

Square: 4844401

Square Root: 46.9148164229596

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

Representation of n in base of Catalan numbers (a classic greedy version). A14418

Numbers whose sum of digits is 5. A52219

Number of pairs (p,q) of partitions such that q is a partition of n and p <= q (diagram containment). A297388

a(n) = (n + 3)² - 8. A28884

Values of n such that L(11) and N(11) 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. A227449

Numbers whose base-2 and base-10 expansions have the same digit sum. A37308

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252961

Number of 2-sided triangular strip polyedges with n cells. A151541

Concentric 20-gonal numbers. A195148

a(n) = -a(n-1) - a(n-2) + a(n-3), a(0)=3, a(1)=-1, a(2)=-1. A73145