Properties of the Number 27199

Twenty-Seven Thousand One Hundred Ninety-Nine

Basics

Value: 27198 → 27199 → 27200

Parity: odd

Prime: No

Previous Prime: 27197

Next Prime: 27211

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 59 × 461

Divisors: 1, 59, 461, 27199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110101000111111

Octal: 65077

Duodecimal: 138A7

Hexadecimal: 6a3f

Square: 739785601

Square Root: 164.92119330152812

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

Numbers n such that 5ⁿ-6 is prime. A165701

a(1) = greatest k such that H(k) - H(4) < 1/3 + 1/4; a(2) = greatest k such that H(k) - H(a(1)) < H(a(1)) - H(4); and for n > 2, a(n) = greatest k such that H(k) - H(a(n-1)) > H(a(n-1)) - H(a(n-2)), where H = harmonic number. A224868

a(n) = 68·n² - 1. A158730

a(n) = 17·n² - 1. A321180

Quadruple lucky numbers (lower terms). Numbers n such that n, n+2, n+6, n+8 are all Lucky numbers. A139783

Numbers k such that 365·2^k+1 is prime. A323007

Triangular array T read by rows: T(n,k) = number of partitions of n into an odd number of parts, each >=k. A27199