Properties of the Number 2999

Two Thousand Nine Hundred Ninety-Nine

Basics

Value: 2998 → 2999 → 3000

Parity: odd

Prime: Yes

Previous Prime: 2971

Next Prime: 3001

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2999

Divisors: 1, 2999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 101110110111

Octal: 5667

Duodecimal: 189B

Hexadecimal: bb7

Square: 8994001

Square Root: 54.76312628037227

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 having only {1, 2, 9} as digits. A385776

Smallest number whose sum of digits is n. A51885

Safe primes (A005385) that are not Sophie Germain primes. A59452

Smaller member of a twin prime pair whose mean is a multiple of A002110(3)=30. A60229

Primes with either no internal digits or all internal digits are 9. A69684

Numbers k such that (14^k - 5^k)/9 is prime. A128350

Numbers in which 9 outnumbers all other digits together. A292739

Table T(n,k) of the number of n X k matrices on {0,1} without adjacent 0's in any row or column. A89934

Square array A(x,y) = y-th odd number 2i+1 (i>=1) for which A112049(2i+1)=x, or 0 if no such i exists; read by descending antidiagonals. A112070

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252961