90,000

← 89999 90000 90001 →
List of numbers — Integers ← 0 10k 20k 30k 40k 50k 60k 70k 80k 90k →
Cardinal	ninety thousand
Ordinal	90000th (ninety thousandth)
Factorization	24 × 32 × 54
Greek numeral	${\stackrel {\theta }{\mathrm {M} }}$
Roman numeral	XC
Binary	101011111100100002
Ternary	111201101003
Octal	2576208
Duodecimal	4410012
Hexadecimal	15F9016

90,000 (ninety thousand) is the natural number following 89,999 and preceding 90,001. It is the sum of the cubes of the first 24 positive integers, and is the square of 300.

Selected numbers in the range 90,000–99,999

• 90,625 – the only five-digit automorphic number: 90625² = 8212890625
• 91,125 – 45³
• 93,312 – Leyland number: 6⁶ + 6⁶. Also a 3-smooth number.
• 94,249 – palindromic square: 307²
• 94,932 – Leyland number: 7⁵ + 5⁷
• 95,121 – Kaprekar number: 95121² = 9048004641; 90480 + 04641 = 95121
• 96,557 – Markov number: 5² + 6466² + 96557² = 3 × 5 × 6466 × 96557
• 97,336 – 46³
• 98,304 – 3-smooth number
• 99,066 – largest number whose square uses all of the decimal digits once: 99066² = 9814072356. It is also a rotationally symmetric ambigram in decimal.
• 99,991 - largest five-digit prime number
• 99,999 – repdigit, Kaprekar number: 99999² = 9999800001; 99998 + 00001 = 99999