Properties of the Number -4455

Four Hundred Fifty-Five

Basics

Value: -4456 → -4455 → -4454

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 × 11

Divisors: 1, 3, 5, 9, 11, 15, 27, 33, 45, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1000101100111

Octal: -10547

Duodecimal: -26B3

Hexadecimal: -1167

Square: 19847025

Square Root: 66.74578638386096

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

Unreduced numerators of coefficients a(n)/2^A097087(n)*1/n! in function F(x) that satisfies F(F(x)) = x·exp(x). A97086

Second 10-gonal (or decagonal) numbers: n*(4·n+3). A33954

Triangle read by rows: T(n, k) = [z^k] P(n, z) where P(n, z) = ∑_k=0..n binomial(n, k) * Pochhammer(n - k + c, k) * z^k / k! and c = 4. A62145

Numbers which have only digits 4 and 5 in base 10. A256290

a(n) = 9·a(n-1) - 9·a(n-2) for n>1, with a(0)=0, a(1)=1. A57085

Numbers k for which nontrivial positive magic squares of exactly 8 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005. A125015

Expansion of 1/(1-3·x)⁹; 9-fold convolution of A000244 (powers of 3). A36222

Positions of 5's on the spiral defined in A308890. A308895

Alkane (or paraffin) numbers l(7,n). A5994

Congruence classes of triangles which can be drawn using lattice points in n X n grid as vertices. A28419