Properties of the Number -174805

One Hundred Seventy-Four Thousand Eight Hundred Five

Basics

Value: -174806 → -174805 → -174804

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 34961

Divisors: 1, 5, 34961, 174805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010101011010101

Octal: -525325

Duodecimal: -851B1

Hexadecimal: -2aad5

Square: 30556788025

Square Root: 418.09687872549347

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

Triangle of numbers a(n,k), 0 <= k <= n: number of set partitions of {1,2,...,n} in which exactly k of the blocks have been distinguished. A49020

E.g.f.: exp(exp(x) - 1) * (exp(x) - 1)³ / 3!. A346842

Triangle of sums of Jacobsthal numbers related to binomial(4n,n)/(3n+1) mod 4. A113049

Triangle read by rows: T(n,k) = ∑_j=k..n binomial(n,j)*Stirling₂(j,k)*Bell(n-j), where Bell(n) = A000110(n), for n >= 1, 0 <= k <= n-1. A244489

Expansion of (1/x) * Series_Reversion( x * (1 - x)² * (1 - x³ / (1 - x)³) ). A389630