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Properties of the Number -419840

Four Hundred Nineteen Thousand Eight Hundred Forty

Basics

Value: -419841 → -419840 → -419839

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 11 × 5 × 41

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1100110100000000000

Octal: -1464000

Duodecimal: -182B68

Hexadecimal: -66800

Square: 176265625600

Square Root: 647.9506154021308

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 1/((1-2·x)*(1-6·x)). A16129
Triangle of Legendre-Stirling numbers of the second kind T(n,j), n >= 1, 1 <= j <= n, read by rows. A71951
Expansion of x*(1+4·x-4·x2)/((1+2·x)*(1-6·x)*(1-8·x2)). A95897
Triangle of scaled second column sequences of (k,k)-Stirling2 arrays. A91039
Triangle read by rows of Legendre-Stirling numbers of the second kind. A191935
Q-residue of the coefficient triangle (A076699) of the cyclotomic polynomials, where Q is the triangular array (t(i,j)) given by t(i,j)=1. (See Comments.) A193650
Composite numbers m such that ∏i=1..k (pi/(pi-1)) / ∑i=1..k (pi/(pi+1)) is an integer, where pi are the k prime factors of m (with multiplicity). A230112
Where records occur in A063574. A75662