Properties of the Number 12170

Twelve Thousand One Hundred Seventy

Basics

Value: 12169 → 12170 → 12171

Parity: even

Prime: No

Previous Prime: 12163

Next Prime: 12197

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 1217

Divisors: 1, 2, 5, 10, 1217, 2434, 6085, 12170

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10111110001010

Octal: 27612

Duodecimal: 7062

Hexadecimal: 2f8a

Square: 148108900

Square Root: 110.3177229641729

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

Coordination sequence for body-centered tetragonal lattice. A8527

Triangle T(m,n) read by rows: unimodular triangulations of the grid P(m,n), m,n > 0, n <= m. A82640

a(n) = n³ + 3. A84378

a(n) = ∑_d∣n φ(n/d)^d, where φ = Euler totient function (A000010). A309369

a(0) = 1, a(n) = 18·n² + 2 for n>0. A10008

a(n) = (2·n-1)² + (2·n+1)². A108100

Related to Pisano periods: numbers n such that there are n+10 distinct Fibonacci numbers mod n. A229467

Number of compositions of n in which the maximal multiplicity of parts equals 5. A243122

Nonprimes such that it takes exactly 4 iterations of reverse-and-add digits to generate a prime. A245209

Numbers n such that there is exactly one nontrivial square n-gonal number. A277449