Properties of the Number -155040

One Hundred Fifty-Five Thousand Forty

Basics

Value: -155041 → -155040 → -155039

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁵ × 3 × 5 × 17 × 19

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100101110110100000

Octal: -456640

Duodecimal: -75880

Hexadecimal: -25da0

Square: 24037401600

Square Root: 393.7511904743908

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.: ∑_n=-oo..+oo x^n² * C(x)^4·n-4, where C(x) = 1 + x·C(x)² is the g.f. of the Catalan numbers (A000108). A356778

Coefficient array for the powers of x² of the square of the even-indexed Chebyshev C polynomials. A220668

Sum of all the parts in the partitions of 4n into 4 parts. A238328

Number of nX2 0..1 arrays with every element unequal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A304341

Numbers with prime factorization pqrst⁵. A190383

Central terms of the triangle A182579. A182584

a(n) = [xⁿ] (1 + x)/(1 - x)^2·n+1. A227726

a(n) = 10·binomial(n+4, 5). A266732

Triangle T(n,i) whose n-th row gives the number of numbers in any prime(n)# consecutive numbers whose smallest prime factor is prime(n-i+1). A174909

Convolution square of A058187, the tetrahedral series with repeats. A178440