Properties of the Number 27751

Twenty-Seven Thousand Seven Hundred Fifty-One

Basics

Value: 27750 → 27751 → 27752

Parity: odd

Prime: Yes

Previous Prime: 27749

Next Prime: 27763

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 27751

Divisors: 1, 27751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110110001100111

Octal: 66147

Duodecimal: 14087

Hexadecimal: 6c67

Square: 770118001

Square Root: 166.5863139636627

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 double-free integer partitions of n. A323092

Balanced primes of order eleven. A96703

Primes of the form 5k² + 5k + 1. A90562

Primes that remain prime through 3 iterations of function f(x) = 8x + 3. A23292

Numbers n such that 5·10ⁿ + 7·R_n + 2 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103021

Number of binary strings of length n with no substrings equal to 0000, 0011 or 1101. A164431

Primes of the form 250n + 1. A179231

Numbers k such that k²+1 = 2p,(k+1)²+1 = 5q, (k+2)²+1 = 10r where p, q, and r are primes. A181619

Primes of the form 6n² + 7. A201601

a(n) = floor(5·prime(n)² / 4). A246010