80000 (number)

← 79999 80000 80001 →
List of numbers — Integers ← 0 10k 20k 30k 40k 50k 60k 70k 80k 90k →
Cardinal	eighty thousand
Ordinal	80000th (eighty thousandth)
Factorization	2^7× 5^4
Roman numeral	LXXX
Binary	100111000100000002
Ternary	110012012223
Quaternary	1032020004
Quinary	100300005
Senary	14142126
Octal	2342008
Duodecimal	3A36812
Hexadecimal	1388016
Vigesimal	A00020
Base 36	1PQ836

80,000 (eighty thousand) is the natural number that comes after 79,999 and before 80,001.

Selected numbers in the range 80000–89999

• 80000 – round number, the approximate number of hours in your career, and the name of career advisory service 80,000 Hours
• 80286 – model number of the Intel 80286 chip
• 80386 – model number of the Intel 80386 chip
• 80486 – model number of the Intel 80486 chip
• 80782 – Pell number P₁₄^[1]
• 82000 – the only currently known number greater than 1 that can be written in bases from 2 through 5 using only 0s and 1s.^[2][3]
• 82656 – Kaprekar number: 82656² = 6832014336; 68320 + 14336 = 82656^[4]
• 82944 - 3-smooth number: 2¹⁰ × 3⁴
• 83160 – highly composite number^[5]
• 83521 – 17⁴
• 85085 - product of five consecutive primes: 5 × 7 × 11 × 13 × 17
• 85184 – 44³
• 86400 – seconds in a day: 24 × 60 × 60 and common DNS default time to live
• 87360 – unitary perfect number^[6]
• 88888 – repdigit

References

1. "Sloane's A000129 : Pell numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
2. Sequence A146025 in The On-Line Encyclopedia of Integer Sequences
3. Sequence A258107 in The On-Line Encyclopedia of Integer Sequences
4. "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
5. "Sloane's A002182 : Highly composite numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
6. "Sloane's A002827 : Unitary perfect numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.