Properties of the Number 1299

One Thousand Two Hundred Ninety-Nine

Basics

Value: 1298 → 1299 → 1300

Parity: odd

Prime: No

Previous Prime: 1297

Next Prime: 1301

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 433

Divisors: 1, 3, 433, 1299

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010011

Octal: 2423

Duodecimal: 903

Hexadecimal: 513

Square: 1687401

Square Root: 36.0416425818802

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

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

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

Number of partitions of n into distinct parts for which (number of odd parts) = (number of even parts). A239241

Numbers that are the sum of 3 positive 5th powers. A3348

a(n) = n² + 3. A117950

Numbers m such that the Bernoulli number B_2·m has denominator 42. A51227

a(n) = 2·n² + 2·n - 1. A142463

a(n) = floor(n²/2) - 1. A47838

Numbers k such that both k+2 and k-2 are prime. A87679

Values of n such that L(11) and N(11) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227449