Properties of the Number -3625

Six Hundred Twenty-Five

Basics

Value: -3626 → -3625 → -3624

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

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

a(n) = ∑_{k >= 0}(-1)^k*binomial(n,5·k+1). A289321

a(n) = ∑_k>=0 (-1)^k*binomial(n,5·k+4). A289389

1-gonal pyramidal numbers. A254749

Expansion of ((1+x)⁴-(1+x)x³)/((1+x)⁵-x⁵). A105370

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 113", based on the 5-celled von Neumann neighborhood. A270180

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood. A270460

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