Properties of the Number 55200

Fifty-Five Thousand Two Hundred

Basics

Value: 55199 → 55200 → 55201

Parity: even

Prime: No

Previous Prime: 55171

Next Prime: 55201

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 5 ² × 23

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101011110100000

Octal: 153640

Duodecimal: 27B40

Hexadecimal: d7a0

Square: 3047040000

Square Root: 234.9468024894146

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

a(n) = n²*(n² - 1)/6. A8911

Number of ways of placing 2n-1 nonattacking rooks on a hexagonal board with edge-length n in Glinski's hexagonal chess, inequivalent up to rotations and reflections of the board. A309260

a(n) = (n-1)(n-4)(n-9)...(n-k²) where k² < n <= (k+1)². A80500

Largest achievable determinant of a 4 X 4 matrix whose elements are the 16 consecutive integers n-15,...,n. A97696

Numbers with prime factorization pqr^2s^5. A190293

Imaginary part of (n + i)⁴. A272871

Smallest pentagonal number with n prime factors (counted with multiplicity). A209049

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w²>x²+y². A211631

Numbers k such that 3k - 1 divides 3^k - 1. A273614

a(n) = (A001359(n+1)² - 1)/24, where A001359 = lesser of twin primes; or: pentagonal numbers (A000326) whose indices are twin ranks (A002822). A308344