Properties of the Number 12422

Twelve Thousand Four Hundred Twenty-Two

Basics

Value: 12421 → 12422 → 12423

Parity: even

Prime: No

Previous Prime: 12421

Next Prime: 12433

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 6211

Divisors: 1, 2, 6211, 12422

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11000010000110

Octal: 30206

Duodecimal: 7232

Hexadecimal: 3086

Square: 154306084

Square Root: 111.45402639653715

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

Numbers n such that n·8ⁿ - 1 is prime. A242201

Positive integers k such that k²⁰ + 1 is semiprime (A001358). A105282

a(n) = (binomial(2n, n) - 2) mod n³. A246133

Number of noncrossing path sets on n nodes with each path having a prime number of nodes. A303729

Fibonacci numbers written in base 5. A4688

Indices where the cumulative sum of sin(2k+1)^2k+1 reaches a record high value. A387706

a(n) = ((4 + 3·sqrt(2))*(1 + 2·sqrt(2))ⁿ + (4 - 3·sqrt(2))*(1 - 2·sqrt(2))ⁿ)/8. A164589

a(n) = Fibonacci(n) represented in bijective base-5 numeration. A282236

Expansion of g.f. (1 + x) * (1 + x²) * ∏_k>=1 (1 + x^k). A329289

Number of strings of numbers x(i=1..5) in 0..n with sum i·x(i)² equal to n·25. A184444