Properties of the Number -4665

Six Hundred Sixty-Five

Basics

Value: -4666 → -4665 → -4664

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 311

Divisors: 1, 3, 5, 15, 311, 933, 1555, 4665

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001000111001

Octal: -11071

Duodecimal: -2849

Hexadecimal: -1239

Square: 21762225

Square Root: 68.30080526611674

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

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 24. A51989

Numbers n such that n·10ⁿ - 1 is prime. A59671

T(n,k)=Number of nXk 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors. A231523

Number of digits '0' in the set of all numbers from 0 to A014824(n) = ∑_i=1..n i·10^n-i = (0, 1, 12, 123, 1234, 12345, ...). A277830

Number of integer partitions of n whose weighted sum is divisible by n. A362559

Numbers n such that n!!-16 is prime. A258616

Maximal number of squares of side 1 in a disk of radius n. A125228

Odd integers that do not generate monotonically decreasing infinitary aliquot sequences. A127667

Number of graphical necklaces covering n vertices. A324463

Number of ways to write n as an ordered sum of 5 nonzero decimal palindromes. A341184