Properties of the Number 22146

Twenty-Two Thousand One Hundred Forty-Six

Basics

Value: 22145 → 22146 → 22147

Parity: even

Prime: No

Previous Prime: 22133

Next Prime: 22147

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 3691

Divisors: 1, 2, 3, 6, 3691, 7382, 11073, 22146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011010000010

Octal: 53202

Duodecimal: 10996

Hexadecimal: 5682

Square: 490445316

Square Root: 148.81532179181013

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

T(n,k)=number of sequences of n integers p(i) i=0..n-1 0<=p(i)<=k·i and -k<p(i+1)-p(i)<=k. A180915

The 360 degree spoke (or ray) of a hexagonal spiral of Ulam. A244803

a(n) = ∑_k=0..n binomial(n+6·k,k). A390386

Number of triples {i,j,k}, i>1, j>1, k>1, such that i·j*k < n³. A37092

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,5. A64239

Number of distinct solutions of sum{i=1..4}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1. A180796

Number of sequences of n integers p(i) i=0..n-1 with 0<=p(i)<=3·i and -3<p(i)-p(i-1)<=3. A180908

Numbers having four 3's in base 9. A43468

Numbers whose base-3 representation has exactly 10 runs. A43590

Numbers k such that number of runs in the base 3 representation of k is congruent to 1 mod 9. A43807