Properties of the Number 45216

Forty-Five Thousand Two Hundred Sixteen

Basics

Value: 45215 → 45216 → 45217

Parity: even

Prime: No

Previous Prime: 45197

Next Prime: 45233

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ² × 157

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011000010100000

Octal: 130240

Duodecimal: 22200

Hexadecimal: b0a0

Square: 2044486656

Square Root: 212.6405417600322

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

Number T(n,k) of undirected labeled graphs on n nodes with exactly k cycle graphs as connected components; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A215771

Numbers k such that 33^k + 2 is prime. A247957

a(n) = 1458·n + 18. A157505

Number of ways to place eight distinct positive integers on a square, four on the corners and four on the sides such that the sum of the three values on each side is n. A380962

Number of undirected labeled graphs on n nodes with exactly 2 cycle graphs as connected components. A215772

Triangle read by rows: T(n,k) gives the number of permutations of length n containing exactly k instances of the 1-box pattern; 0 <= k <= n. A346462

Smallest k such that p^p -+ k is prime, where p=prime(n). A157719

Molecular topological indices of the Moebius ladders. A192833

Matrix log of triangle A030528, where A030528(n,k) = C(k,n-k). A179198

Number of nX4 binary arrays without the pattern 0 1 0 diagonally or antidiagonally. A188905