Properties of the Number 3625

Three Thousand Six Hundred Twenty-Five

Basics

Value: 3624 → 3625 → 3626

Parity: odd

Prime: No

Previous Prime: 3623

Next Prime: 3631

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ³ × 29

Divisors: 1, 5, 25, 29, 125, 145, 725, 3625

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000101001

Octal: 7051

Duodecimal: 2121

Hexadecimal: e29

Square: 13140625

Square Root: 60.207972893961475

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 points of norm <= n² in square lattice. A328

Scaled Chebyshev U-polynomial evaluated at sqrt(5)/2. A30191

Number of partitions of n in which no parts are multiples of 5. A35959

14-gonal (or tetradecagonal) numbers: a(n) = n*(6·n-5). A51866

a(n) = A005449(n) - 1, where A005449 = second pentagonal numbers. A95794

Numbers n that are the hypotenuse of exactly 10 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 10 ways. A97225

a(0) = 0, a(1) = 1; a(n) = max { 4·a(k) + a(n-k) | 1 <= k <= n/2 }, for n > 1. A116520

a(n) = n*(n+4)*(n+5)/6. A5586

Number of "ON" cells at n-th stage in simple 2-dimensional cellular automaton (see Comments for precise definition). A160118

a(n) = Frobenius number for 4 successive primes = F[p(n), p(n+1), p(n+2), p(n+3)]. A138990