Properties of the Number 1300

One Thousand Three Hundred

Basics

Value: 1299 → 1300 → 1301

Parity: even

Prime: No

Previous Prime: 1297

Next Prime: 1301

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 ² × 13

Divisors: 1, 2, 4, 5, 10, 13, 20, 25, 26, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10100010100

Octal: 2424

Duodecimal: 904

Hexadecimal: 514

Square: 1690000

Square Root: 36.05551275463989

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

Numbers k such that (16·10^k - 31)/3 is prime. A270929

a(n) = sigma₂(n): sum of squares of divisors of n. A1157

Integers written in factorial base. A7623

4 times triangular numbers: a(n) = 2·n*(n+1). A46092

n written in primorial base. A49345

a(n) = floor(n²/2). A7590

Sum of 5th powers: 0⁵ + 1⁵ + 2⁵ + ... + n⁵. A539

a(n) = ∑_d∣n (-1)^d-1*d². A321543

Numbers k for which 10k+1, 10k+3, 10k+7 and 10k+9 are primes. A7811

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.6.3.6 2D tiling (cf. A008579). A299256