ℕ atory
Play Now

Properties of the Number -4664

Six Hundred Sixty-Four

Basics

Value: -4665 → -4664 → -4663

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: Yes

Factorization: 2 3 × 11 × 53

Divisors: 1, 2, 4, 8, 11, 22, 44, 53, 88, 106

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1001000111000

Octal: -11070

Duodecimal: -2848

Hexadecimal: -1238

Square: 21752896

Square Root: 68.2934843158555

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

Expansion of ∑k>=0 xk * ∏j=0..k-1 (j - 2·x). A353254
Number of non-isomorphic set-systems of weight n with no singletons. A306005
Smallest even k such that the pair {k-3,k-1} is not a twin prime pair and lpf(k-1) > lpf(k-3) >= prime(n), where lpf = least prime factor (A020639). A242720
Palindromic in bases 10 and 24. A250409
a(n) = A019566(n)/9, where A019566(n) = concat(n,...,1) - concat(1,...,n). A83449
Convolution of nonzero repunits (A002275) with themselves. A272525
Number of digits '9' in the set of all numbers from 0 to A014824(n) = ∑i=1..n i·10n-i = (0, 1, 12, 123, 1234, 12345, ...). A277849
a(n) is the smallest number of the form k + reverse(k) for exactly n integers k, or -1 if no such number exists. A72041
Number of 7's appearing in the sequence of consecutive natural numbers from 1 to A007908(n), where A007908 = (1, 12, 123, 1234, ...). A277635
Number of '8' digits in the set of all numbers from 0 to A014824(n) = ∑i=1..n i·10n-i = (0, 1, 12, 123, 1234, 12345, ...). A277838