Properties of the Number -30378

Thirty Thousand Three Hundred Seventy-Eight

Basics

Value: -30379 → -30378 → -30377

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 61 × 83

Divisors: 1, 2, 3, 6, 61, 83, 122, 166, 183, 249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011010101010

Octal: -73252

Duodecimal: -156B6

Hexadecimal: -76aa

Square: 922822884

Square Root: 174.29285699649313

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

T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element. A283042

The number of primes of the form i² + j⁴ (A028916) <= 2ⁿ. A226498

Expansion of ∑_i>=1 μ(i)²*xⁱ/(1 - xⁱ) / ∏_j>=1 (1 - x^j), where μ() is the Moebius function (A008683). A281573

Riordan array (1, x·f(x)) where f(x) is the g.f. of A007564. A265435

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 694", based on the 5-celled von Neumann neighborhood. A273411

Number of nX3 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element. A283037

Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element. A283040