Properties of the Number 1200

One Thousand Two Hundred

Basics

Value: 1199 → 1200 → 1201

Parity: even

Prime: No

Previous Prime: 1193

Next Prime: 1201

Digit Sum: 3

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 5 ²

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

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10010110000

Octal: 2260

Duodecimal: 840

Hexadecimal: 4b0

Square: 1440000

Square Root: 34.64101615137755

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

Numbers in base 3. A7089

Integers written in factorial base. A7623

a(n) = ∑_{d divides n} q(d), where q(d) = A000009 = number of partitions of d into distinct parts. A47966

4 times triangular numbers: a(n) = 2·n*(n+1). A46092

n written in primorial base. A49345

Triangle of Lah numbers. A8297

a(n) = 3·n². A33428

a(n) = floor(n²/2). A7590

Highly abundant numbers: numbers k such that σ(k) > σ(m) for all m < k. A2093

Self-Fibonacci numbers: numbers k that divide Fibonacci(k). A23172