Properties of the Number 299

Two Hundred Ninety-Nine

Basics

Value: 298 → 299 → 300

Parity: odd

Prime: No

Previous Prime: 293

Next Prime: 307

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 23

Divisors: 1, 13, 23, 299

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101011

Octal: 453

Duodecimal: 20B

Hexadecimal: 12b

Square: 89401

Square Root: 17.291616465790582

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) = n*(n+3)/2. A96

Number of partitions of n into parts 5k+1 or 5k+4. A3114

Binary irreducible polynomials (primes in the ring GF(2)[X]), evaluated at X=2. A14580

Odd numbers of the form p·q where p and q are distinct primes. A46388

Self numbers or Colombian numbers (numbers that are not of the form m + sum of digits of m for any m). A3052

Brilliant numbers: semiprimes (products of two primes, A001358) whose prime factors have the same number of decimal digits. A78972

Sieve of Eratosthenes arranged as an array and read by antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), ... A83221

a(n) = 6·n + 5. A16969

Cake numbers: maximal number of pieces resulting from n planar cuts through a cube (or cake): C(n+1,3) + n + 1. A125

Number of elements in the set {(x,y): 1 <= x,y <= n, gcd(x,y)=1}. A18805