Properties of the Number 12142

Twelve Thousand One Hundred Forty-Two

Basics

Value: 12141 → 12142 → 12143

Parity: even

Prime: No

Previous Prime: 12119

Next Prime: 12143

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 13 × 467

Divisors: 1, 2, 13, 26, 467, 934, 6071, 12142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111101101110

Octal: 27556

Duodecimal: 703A

Hexadecimal: 2f6e

Square: 147428164

Square Root: 110.19074371289088

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

Expansion of 1 / ((1-x)²*(1-x²)*(1-x³)*(1-x⁴)). A2621

Number of homogeneous generators of degree n for graded algebra associated with meanders. A60149

a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=2,a(2)=9. A154495

Number of enriched p-trees of weight n with distinct leaves. A300354

Row sums of triangle A134464. A134465

Number of 2 X 2 matrices M of positive integers such that permanent(M) < n. A212151

The number of random walks on the simple square lattice that return to the origin (0,0) after 2n steps and do not pass through (0,0) or (1,0) at intermediate steps. A337869

Number of nonempty subsets of {1, 2, ..., n} with <= 4 pairwise coprime elements. A187265

Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array. A219589

Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{j·x(i,j), j=1..1+1} nondecreasing, and column sums sum{i·x(i,j), i=1..n+1} nondecreasing. A232825