Properties of the Number 9192

Nine Thousand One Hundred Ninety-Two

Basics

Value: 9191 → 9192 → 9193

Parity: even

Prime: No

Previous Prime: 9187

Next Prime: 9199

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 383

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 383, 766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111101000

Octal: 21750

Duodecimal: 53A0

Hexadecimal: 23e8

Square: 84492864

Square Root: 95.87491851365508

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 of connected graphs on n labeled nodes on a circle with straight-line edges that don't cross. A7297

Triangle read by rows: T(n,k) is the number of inequivalent colorings of lone-child-avoiding rooted trees with n colored leaves using exactly k colors. A339645

Number of partitions of n into at most 6 parts. A1402

Pascal-(1,6,1) array. A81581

Partition the concatenation 1234567...of natural numbers into successive strings which are even, all different and > 2. (0 never taken as the most significant digit.) A77295

Partition the concatenation 1234567... of natural numbers into successive strings which are multiples of 3 all different and > 3. (0 never taken as the most significant digit.) A77296

Numbers m such that ∑_k=0..10 (m+k)² is a square. A106521

Reversion of g.f. for A162395 (squares with signs). A263843

Number array whose rows are the series reversions of x(1-x)/(1+x)^k, read by antidiagonals. A107111

T(n,k) is the number of (n+1) X (k+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A234890