Properties of the Number 27749

Twenty-Seven Thousand Seven Hundred Forty-Nine

Basics

Value: 27748 → 27749 → 27750

Parity: odd

Prime: Yes

Previous Prime: 27743

Next Prime: 27751

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 27749

Divisors: 1, 27749

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110001100101

Octal: 66145

Duodecimal: 14085

Hexadecimal: 6c65

Square: 770007001

Square Root: 166.58031096140985

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 regions formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius. A371253

Greatest prime factor of prime(n)! / prime(n)# + 1. A103892

Expansion of 2/((1 - x)*(3 - theta₃(x))), where theta₃() is the Jacobi θ function. A303667

Numbers k such that 5·2^k - 3 is prime. A58588

Primes p such that the multiplicative order of 2 modulo p is (p-1)/7. A152307

Primes of the form 6n² + 5. A201600

Number of 7's in the last section of the set of partitions of n. A206557

Numbers k such that k² contains only digits {0,1,7}, not ending with zero. A58419

Primes A005382(n) + A005384(n) - 1 with a twin prime A005382(n) + A005384(n) + 1. A99109

Primes p such that (12·p - 1, 12·p + 1) and (18·p - 1, 18·p + 1) are twin primes. A138660