Properties of the Number 1224

One Thousand Two Hundred Twenty-Four

Basics

Value: 1223 → 1224 → 1225

Parity: even

Prime: No

Previous Prime: 1223

Next Prime: 1229

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 17

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 17, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011001000

Octal: 2310

Duodecimal: 860

Hexadecimal: 4c8

Square: 1498176

Square Root: 34.9857113690718

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) = n*(n+2) = (n+1)² - 1. A5563

a(n) = n*(n+3)/2. A96

Number of knapsack partitions of n. A108917

Number of partitions of n into an even number of parts. A27187

8 times triangular numbers: a(n) = 4·n*(n+1). A33996

Sub-perfect powers: perfect powers (squares, cubes etc., not including 1) minus 1. A45542

Numbers that are divisible by exactly 6 primes with multiplicity. A46306

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

a(n) = n*(2·n + 3). A14106

Number of twin prime pairs below 10ⁿ. A7508