Properties of the Number 7563

Seven Thousand Five Hundred Sixty-Three

Basics

Value: 7562 → 7563 → 7564

Parity: odd

Prime: No

Previous Prime: 7561

Next Prime: 7573

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 2521

Divisors: 1, 3, 2521, 7563

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110110001011

Octal: 16613

Duodecimal: 4463

Hexadecimal: 1d8b

Square: 57198969

Square Root: 86.96551040498757

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 3's in all partitions of n. A24787

a(1) = 9; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46259

Number of rooted trees with n nodes with every leaf at height 3. A48808

Numbers n whose square can be represented as a repdigit number in some base less than n. A158235

Sum of the squarefree parts of the partitions of n into 6 parts. A309481

Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse isosceles integer triangle with prime side lengths. A70135

Expansion of x*(1+3·x+2·x²)/((1+x+x²)*(1-x-x²)). A100886

Triangle read by rows: Distinct classifications of N elements containing exactly R binary partitions. A171871

Half the number of n X 2 binary arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185828

Root of the lower member A340700 of a pair of adjacent perfect powers, both with exponents > 2. A340702