Properties of the Number -5455

Four Hundred Fifty-Five

Basics

Value: -5456 → -5455 → -5454

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 1091

Divisors: 1, 5, 1091, 5455

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1010101001111

Octal: -12517

Duodecimal: -31A7

Hexadecimal: -154f

Square: 29757025

Square Root: 73.85797181076664

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

G.f. A(x,y) = ∑_n>=0 xⁿ/(1-y)^2·n+1 * ∑_k=0..3·n T(n,k)*y^k satisfies: y = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1/2) * A(x,y)ⁿ. A355870

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

Fourth column (r=3) of FS(3) staircase array A062745. A62748

Sums of five consecutive squares: a(n) = n² + (n+1)² + (n+2)² + (n+3)² + (n+4)². A27578

Kaprekar triples: q such that q = x + y + z and q³ = x·10²ⁿ + y·10ⁿ + z, where z < 10ⁿ and n is the number of digits in q. q is not a power of 10 (except q=1). A6887

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111. A259515

Numbers in which 5 outnumbers all other digits together. A292735

Positions of non-crossing fixed-point-free involutions (encoded by A014486) in A055089, sorted to ascending order. A64640

Four-digit numbers that do not resolve to 6174 under the Kaprekar map (see A151949). A69746

Number of partitions p of n including round(mean(p)) as a part. (This is "Mathematica round"). A241338