Properties of the Number 2663

Two Thousand Six Hundred Sixty-Three

Basics

Value: 2662 → 2663 → 2664

Parity: odd

Prime: Yes

Previous Prime: 2659

Next Prime: 2671

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2663

Divisors: 1, 2663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101001100111

Octal: 5147

Duodecimal: 165B

Hexadecimal: a67

Square: 7091569

Square Root: 51.60426338976267

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 p such that p² + p + 1 is prime. A53182

Honaker primes: primes P(k) such that sum of digits of P(k) equals sum of digits of k. A33548

a(n) = 2·n² + 2·n - 1. A142463

Numbers k such that (21^k + 2^k)/23 is prime. A377856

Lower prime of a difference of 8 between consecutive primes. A31926

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

Primes from merging of 4 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. A103810

a(n) is the smallest prime p such that 11ⁿ divides p¹⁰ - 1. A125612

L-toothpick sequence (see Comment lines for definition). A172310

Intersection of A205302 and A205511. A205533