Properties of the Number -245156

Two Hundred Forty-Five Thousand One Hundred Fifty-Six

Basics

Value: -245157 → -245156 → -245155

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 167 × 367

Divisors: 1, 2, 4, 167, 334, 367, 668, 734, 1468, 61289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011110110100100

Octal: -736644

Duodecimal: -B9A58

Hexadecimal: -3bda4

Square: 60101464336

Square Root: 495.13230555074875

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 - x)⁸ + x⁸). A306941

a(n) = ∑_{k=0..floor(n/8)} (-1)^k*binomial(n,8·k). A307044

Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= n/3. A47193

a(n) = C(n,7)-1. A124090

Coefficient of xⁿ in the expansion of ( (1+x)² * (1+x³) )ⁿ. A370196

Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-1)/3. A48005

Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-2)/3. A48016

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood. A270902