Properties of the Number 27319

Twenty-Seven Thousand Three Hundred Nineteen

Basics

Value: 27318 → 27319 → 27320

Parity: odd

Prime: No

Previous Prime: 27299

Next Prime: 27329

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 1607

Divisors: 1, 17, 1607, 27319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101010110111

Octal: 65267

Duodecimal: 13987

Hexadecimal: 6ab7

Square: 746327761

Square Root: 165.28460303367643

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

Diagonal sums of number triangle A046521. A176280

Numbers k such that k¹⁰ == 1 (mod 11⁴). A56094

Numerator/πⁿ of coefficient of z²ⁿ in log(InverseErf(z)). A114859

Main diagonal of triangle A121400; also equals the partial sums of column 0 (A121399) of the same triangle. A121398

Number of compositions of n into 5 parts such that no two adjacent parts are equal. A106354

Half the number of n X n symmetric binary matrices with adjacent rows differing in at most two positions. A140177

Numbers k such that (13·10^k + 197)/3 is prime. A276311

G.f. satisfies A(x) = (1 + x·A(x))² * (1 + x·A(x)²). A274734

a(n) = ∑_k=0..m (k+1) * A026082(n, k), where 0 <= k <= m, m=n for n=0,1,2,3; m=2n for n >= 4. A27319