Properties of the Number 30159

Thirty Thousand One Hundred Fifty-Nine

Basics

Value: 30158 → 30159 → 30160

Parity: odd

Prime: No

Previous Prime: 30139

Next Prime: 30161

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 1117

Divisors: 1, 3, 9, 27, 1117, 3351, 10053, 30159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111010111001111

Octal: 72717

Duodecimal: 15553

Hexadecimal: 75cf

Square: 909565281

Square Root: 173.66346766087565

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

Starting numbers for which the RATS sequence has eventual period 3. A114613

Smallest number k such that M(n)²+k·M(n)+1 is prime with M(n)= Mersenne primes =A000668(n). A139427

Hyper-Wiener index of a benzenoid consisting of a double-step spiral chain of n hexagons (n >= 2, s = 21; see the Gutman et al. reference). A193398

a(n) = a(n-1)*a(n-3) - 1, starting with a(0)=a(1)=a(2)=2. A121256

Number of nX3 0..1 arrays with every element unequal to 0, 1, 3 or 6 king-move adjacent elements, with upper left element zero. A304128

a(n) = (2·n³ - 6·n² + 19·n - 9)*n/6. A378023

Numbers n such that in n³ the parity of digits alternates. A30159

Number of length n+4 0..9 arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..9 introduced in 0..9 order. A244184