Properties of the Number -158175

One Hundred Fifty-Eight Thousand One Hundred Seventy-Five

Basics

Value: -158176 → -158175 → -158174

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 19 × 37

Divisors: 1, 3, 5, 9, 15, 19, 25, 37, 45, 57

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110100111011111

Octal: -464737

Duodecimal: -77653

Hexadecimal: -269df

Square: 25019330625

Square Root: 397.71220750688553

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

Number of connected topologies on n labeled points. A1929

a(n) = 225*(n-1)*(n-2)/2. A27470

a(n) = ∑_i=1..n (3i)². A220443

Triangular array read by rows: T(n,k) is the number of pre-orders on an n-set with exactly k connected components in its digraph representation, n>=1, 1<=k<=n. A247232

Number of orbits of Aut(Z⁷) as function of the infinity norm n of the representative lattice point of the orbit, when the cardinality of the orbit is equal to 80640. A266396