Properties of the Number 30178

Thirty Thousand One Hundred Seventy-Eight

Basics

Value: 30177 → 30178 → 30179

Parity: even

Prime: No

Previous Prime: 30169

Next Prime: 30181

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 79 × 191

Divisors: 1, 2, 79, 158, 191, 382, 15089, 30178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111010111100010

Octal: 72742

Duodecimal: 1556A

Hexadecimal: 75e2

Square: 910711684

Square Root: 173.71816255072468

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

Numbers k such that 3·R_k - 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A55557

Values of m in the discriminant D = -4·m leading to a new minimum of the L-function of the Dirichlet series L(1) = ∑_k>=1 Kronecker(D,k)/k. A3521

Greatest number having exactly n representations as ab+ac+bc with 1 <= a <= b <= c. A94380

Coefficients of replicable function number "32b". A58632

Decimal expansion of LambertW(1): the solution to x·exp(x) = 1. A30178

Number of (n+1)X(3+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock. A236150

Number of (n+1)X(3+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock, with new values 0..2 introduced row-major order. A236159