Properties of the Number 7200

Seven Thousand Two Hundred

Basics

Value: 7199 → 7200 → 7201

Parity: even

Prime: No

Previous Prime: 7193

Next Prime: 7207

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 5 ²

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110000100000

Octal: 16040

Duodecimal: 4200

Hexadecimal: 1c20

Square: 51840000

Square Root: 84.8528137423857

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Pentagonal pyramidal numbers: a(n) = n²*(n+1)/2. A2411

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.6.3.6 2D tiling (cf. A008579). A299256

Coordination sequence for "reo-e" 3D uniform tiling. A299281

Numbers that are divisible by exactly 9 primes with multiplicity. A46312

Highly factorable numbers: numbers with a record number of proper factorizations. A33833

a(n) = 8·n². A139098

Generalized 28-gonal (or icosioctagonal) numbers: m*(13·m - 12) with m = 0, +1, -1, +2, -2, +3, -3, ... A303812

a(n) = n² * φ(n). A53191

Powerful numbers that are the least integer of their prime signature. A181800

Number of ways of writing n as a sum of 6 squares. A141