274 (number)

← 273 274 275 →
← 200 210 220 230 240 250 260 270 280 290 → List of numbers Integers ← 0 100 200 300 400 500 600 700 800 900 →
Cardinal	two hundred seventy-four
Ordinal	274th (two hundred seventy-fourth)
Factorization	2 × 137
Divisors	1, 2, 137, 274
Greek numeral	ΣΟΔ´
Roman numeral	CCLXXIV
Binary	1000100102
Ternary	1010113
Senary	11346
Octal	4228
Duodecimal	1AA12
Hexadecimal	11216

274 (two hundred [and] seventy-four) is the natural number following 273 and preceding 275.

In mathematics

• 274 is an even composite number.^[1]
• 274's sum of its proper divisors is 140.^[2]
• The number 274 is the 13th tribonacci number. This is defined by the equations P(0)=P(1)=0 P(2)=1 and P(n)=P(n-1)+P(n-2)+P(n-3).^[3]
• 274 is the sum of 5 perfect cubes. It is the sum of 2³+2³+2³+5³+5³.
• 274 is a Stirling number of the first kind which counts the number of permutations and their number of cycles.^[4]

In technology

• The number 274 is an area code in Northeast Wisconsin. The previous code in this area was 920 and the switch was made in May 2023.^[5]
• MiR-274 is a type of microRNA which can mediate the communication between certain organs and tissues. This one in particular is used between neurons and tracheal cells.^[6]
• The Heinkel He 274 was a German Bomber that was created during World War II. It was designed for long-distance trips to disrupt American involvement in Europe.^[7]

Other fields

• The calendar years 274 AD and 274 BC.
• In the French Republican calendar, The year 274 would be a year 9 cycle and be in 2064.^[8]
• 274 is the number of several highways in Canada, Japan, and the United States

References

1. "Composite numbers". mathworld.wolfram.com.
2. "proper divisors". mathworld.wolfram.com.
3. "Tribonacci numbers". mathworld.wolfram.com.
4. "Stirling number of the first kind". mathworld.wolfram.com.
5. "274 Wisconsin area code". spectrumnews1.com.
6. Tsai, Yi-Wei; Sung, Hsin-Ho; Li, Jian-Chiuan; Chen, Pei-Yi; Yeh, Chun-Yen; Cheng, Ying-Ju; Chen, Chun-Hong; Tsai, Yu-Chen; Chein, Cheng-Ting (October 30, 2019). "MiR-274". Proceedings of the National Academy of Sciences of the United States of America. 116 (49): 24651–24661. doi:10.1073/pnas.1902537116. PMC 6900535. PMID 31666321.
7. "Heinkel He 274 German Bomber". www.militaryfactory.com.
8. "French Republican Calendar Guide" (PDF). broadcast.lds.org.