800 (number)

← 799 800 801 →
List of numbers; Integers; ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	eight hundred
Ordinal	800th; (eight hundredth)
Factorization	25 × 52
Greek numeral	Ω´
Roman numeral	DCCC
Binary	11001000002
Ternary	10021223
Senary	34126
Octal	14408
Duodecimal	56812
Hexadecimal	32016
Armenian	Պ
Hebrew	ת"ת / ף
Babylonian cuneiform	𒌋𒐗⟪
Egyptirshd ian hieroglyph	𓍩

800 (eight hundred) is the natural number following 799 and preceding 801.

It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and the area of a square with diagonal 40.^[1]

^ Sloane, N. J. A. (ed.). "Sequence A001105 (a(n) = 2*n^2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.

[area_of_a_square_with_diagonal_2n-1] Sloane, N. J. A. (ed.). "Sequence A001105 (a(n) = 2*n^2)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.

[1]