Properties of the Number 2887

Two Thousand Eight Hundred Eighty-Seven

Basics

Value: 2886 → 2887 → 2888

Parity: odd

Prime: Yes

Previous Prime: 2879

Next Prime: 2897

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2887

Divisors: 1, 2887

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101000111

Octal: 5507

Duodecimal: 1807

Hexadecimal: b47

Square: 8334769

Square Root: 53.73081052803875

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

a(n) = 2·n² - 1. A56220

Primes of the form 7x²+4xy+52y². A140633

Primes of the form 2·n² - 1. A66436

a(n) = a(n-1) + a(n - 1 - number of even terms so far). A6336

Lower prime of a difference of 10 between consecutive primes. A31928

Primes prime(k) such that all integers in [(prime(k-1)+1)/2,(prime(k)-1)/2] are composite, excluding those primes in A080359. A164294

a(n) = T(n, n-1), T given by A026519. Also a(n) = number of integer strings s(0), ..., s(n), counted by T, such that s(n) = 1. A26521

Discriminants of imaginary quadratic fields with class number 25 (negated). A56987

a(n) = T(n,n-1), T given by A026552. Also a(n) is the number of integer strings s(0),...,s(n) counted by T, such that s(n)=1. A26554

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