Properties of the Number 30194

Thirty Thousand One Hundred Ninety-Four

Basics

Value: 30193 → 30194 → 30195

Parity: even

Prime: No

Previous Prime: 30187

Next Prime: 30197

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 31 × 487

Divisors: 1, 2, 31, 62, 487, 974, 15097, 30194

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010111110010

Octal: 72762

Duodecimal: 15582

Hexadecimal: 75f2

Square: 911677636

Square Root: 173.76420805217626

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 - x² + x⁴ - x⁶). A117791

Number of compositions of the integer n with strictly smallest part in the first position. A79501

Positions of the flipped bits (here they are always set from 0 to 1) in the sequence A059661. A59662

a(n) is the smallest integer not occurring earlier such that 2^a(1) + 2^a(2) + ... + 2^a(n) is a prime. A259630

T(n,k) = coefficient of xⁿ*y^k in A(x,y) such that: x = ∑_n=-oo..+oo (-1)ⁿ * xⁿ * (y + xⁿ)ⁿ * A(x,y)ⁿ. A359720

a(0)=0; a(n) is the smallest m such that m - a(i) is not a triangular number for any i < n. A30194

Coefficient array for the fourth power of Chebyshev's S-polynomials as a function of x². A219234

Triangle A(n,k) read by rows: A(n,1)=A(n,n)=1 and A(n,k) = A(n-2,k-1) - 2·A(n,k-1) + 1 for 1<k<n. A144451