Properties of the Number 12243

Twelve Thousand Two Hundred Forty-Three

Basics

Value: 12242 → 12243 → 12244

Parity: odd

Prime: No

Previous Prime: 12241

Next Prime: 12251

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 × 53

Divisors: 1, 3, 7, 11, 21, 33, 53, 77, 159, 231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10111111010011

Octal: 27723

Duodecimal: 7103

Hexadecimal: 2fd3

Square: 149891049

Square Root: 110.64809081046089

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) = a(n-1) + a(n - 1 - number of even terms so far). A6336

Numbers whose sum of divisors is a fourth power. A19422

a(n) = ceiling( ∑_i=1..n-1 a(i)/5 ), a(1)=1. A120170

Sum of the largest parts of the partitions of n into 10 parts. A326598

Numbers n such that N = n³ is a twin rank (A002822: 6N +- 1 are twin primes). A326234

Odd squarefree numbers n such that the cyclotomic polynomial φ(n,x) has height 5. A152943

Molien series for full 8 X 8 Siegel modular group H₃ of order 371589120. A27633

Products p·q*r·s of distinct primes for which (p·q*r·s - 1)/2 is prime. A234498

Odd numbers k such that the multiplicative orders of 2 modulo k and modulo k+2 are equal. A333743

Expansion of Molien series for relative invariants of 8-dimensional complex Clifford group. A43330