Properties of the Number 27147

Twenty-Seven Thousand One Hundred Forty-Seven

Basics

Value: 27146 → 27147 → 27148

Parity: odd

Prime: No

Previous Prime: 27143

Next Prime: 27179

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 9049

Divisors: 1, 3, 9049, 27147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101000001011

Octal: 65013

Duodecimal: 13863

Hexadecimal: 6a0b

Square: 736959609

Square Root: 164.76346682441468

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

Integers j not of form 3m+1 such that for any integer k>0, j·10^k-1 has a divisor in the set { 7, 11, 13, 37 }. A243974

Triangle read by rows: T(n,k) (n>=1, 1 <= k <= n) = number of n-element unlabeled interval posets of height k. A193387

Number of partitions of n with at most four part sizes. A364793

Diagonal sums of number triangle A113582. A154324

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood. A268275

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood. A270158

Numbers k such that k!4 + 2³ is prime, where k!4 = k!!!! is the quadruple factorial number (A007662). A291343

a(n) = A026905(n) - A014284(n). A86741

a(n) = A027144(2n, n-2). A27147