Properties of the Number 4525

Four Thousand Five Hundred Twenty-Five

Basics

Value: 4524 → 4525 → 4526

Parity: odd

Prime: No

Previous Prime: 4523

Next Prime: 4547

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 181

Divisors: 1, 5, 25, 181, 905, 4525

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000110101101

Octal: 10655

Duodecimal: 2751

Hexadecimal: 11ad

Square: 20475625

Square Root: 67.26812023536856

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

a(n) = C(n,1) + C(n,2) + C(n,3), or n*(n² + 5)/6. A4006

Number of integer partitions of n whose multiplicities cover an initial interval of positive integers. A317081

Integers of the form m*(m + 6)/7. A274978

Second spoke of a hexagonal spiral. A56106

Generalized 17-gonal (or heptadecagonal) numbers: m*(15·m - 13)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303305

Pseudoprimes to base 7. A5938

17-gonal (or heptadecagonal) numbers: a(n) = n*(15·n-13)/2. A51869

Strong pseudoprimes to base 7. A20233

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302322

G.f.: ∏_{i>=1, j>=1} (1 + x^i·j)^i·j. A280541