Properties of the Number 2851

Two Thousand Eight Hundred Fifty-One

Basics

Value: 2850 → 2851 → 2852

Parity: odd

Prime: Yes

Previous Prime: 2843

Next Prime: 2857

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2851

Divisors: 1, 2851

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100100011

Octal: 5443

Duodecimal: 1797

Hexadecimal: b23

Square: 8128201

Square Root: 53.39475629684998

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

Primes or negative values of primes in the sequence b(n) = 47·n² - 1701·n + 10181, n >= 0. A50267

a(n) = 2·n² - n + 1. A130883

Smallest palindrome greater than n in bases n and n+1. A48268

Primes from merging of 4 successive digits in decimal expansion of sqrt(2). A198164

Expansion of 1/(1 - x² - x⁷ - x¹² + x¹⁴) (a Salem polynomial). A143619

Primes of the form k(k+1)/2+1 (i.e., central polygonal numbers, or one more than triangular numbers). A55469

a(n) = (9·n² + 3·n + 2)/2. A38764

Expansion of x*(1+x)/(1-x²-2·x³). A159284

Primes such that the sum of the predecessor and successor primes is divisible by 19. A112804

Numbers k such that k!!!!! + 1 is prime. A85148