Properties of the Number 27492

Twenty-Seven Thousand Four Hundred Ninety-Two

Basics

Value: 27491 → 27492 → 27493

Parity: even

Prime: No

Previous Prime: 27487

Next Prime: 27509

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 29 × 79

Divisors: 1, 2, 3, 4, 6, 12, 29, 58, 79, 87

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101101100100

Octal: 65544

Duodecimal: 13AB0

Hexadecimal: 6b64

Square: 755810064

Square Root: 165.80711685570074

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

Number of solutions to +-1 +- 3 +- 5 +- 7 +- ... +- (4·n-1) = 0. A292476

Sum of n-th antidiagonal of array in A082002. A82005

a(n) = (n³ + 3·n - 2)/2. A132127

Expansion of the g.f. (x²-x+1)*(x²-3·x+3)/(x-1)⁶. A257890

a(n) = ∑_k=0..n (-1)^k * binomial(4·n-k+3,n-k). A390589

Number of compositions of n into parts with distinct multiplicities and with exactly nine parts. A321779

Inverse permutation (conjectured) of A359356. A359517

Number of solutions to +- 1 +- 3 +- 5 +- 7 +- ... +- (2·n-1) = 0 or 1. A367087

Ulam numbers k such that k/3 is also an Ulam number. A287212

a(n) = ∑_{k=0..floor(n/2)} binomial(2·n+k,n-2·k). A360149