Properties of the Number 27657

Twenty-Seven Thousand Six Hundred Fifty-Seven

Basics

Value: 27656 → 27657 → 27658

Parity: odd

Prime: No

Previous Prime: 27653

Next Prime: 27673

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 439

Divisors: 1, 3, 7, 9, 21, 63, 439, 1317, 3073, 3951

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110110000001001

Octal: 66011

Duodecimal: 14009

Hexadecimal: 6c09

Square: 764909649

Square Root: 166.3039386184224

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 - 9·x*(1-x))^1/3. A361843

Numbers n such that 30n+{11, 13, 17, 19, 23} are 5 consecutive primes. A182279

Square array T(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of 1/(1 - 9·x*(1 - x)^k)^1/3. A361840

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood. A270319

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 157", based on the 5-celled von Neumann neighborhood. A270331

Partial sums of A033616. A299902

A(n, k) is the k-th number b > 1 such that b^prime(n+i-1) == 1 (mod prime(n+i)²) for each i = 0..1, with k running over the positive integers; square array, read by antidiagonals, downwards. A319059

Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. A298997

Expansion of (1+4·x)/(1-34·x+x²). A27657