150 (number)
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150 is the natural number following 149 and preceding 151.
| Template:Numbers 100-200 | |
| Cardinal | One hundred [and] fifty |
| Ordinal | 150th |
| Factorization | <math>2 \cdot 3 \cdot 5^2<math> |
| Divisors | 2, 3, 5, 6, 10, 15, 25, 30, 50, 75 |
| Roman numeral | CL |
| Binary | 10010110 |
| Hexadecimal | 96 |
One hundred fifty is the sum of eight consecutive primes (7 + 11 + 13 + 17 + 19 + 23 + 29 + 31). Given 150, the Mertens function returns 0. 150 is a Harshad number.
The 150th anniversary of a town, business, or like organization is called a sesquicentennial. (The prefix "sesqui-" means "and a half".)
One hundred fifty is also:
- The number of Psalms in the Holy Bible. The last Psalm, Psalm 150, is perhaps the Psalm most often set to music.
- The number of sons of Ulam, who were combat archers, in the Census of the men of Israel upon return from exile (Holy Bible, 1 Chronicles 8:40). Also, the number of sons of Parosh and Zechariah at the Census upon return from Babylonia (Ezra 8:3).
- The model number of the Ford F-150 truck.
- The number of degrees in the quincunx astrological aspect explored by Johannes Kepler.
- The year AD 150 or 150 BC.
Other numbers in the 150s
One hundred fifty-one has its own article.
One hundred fifty-two (152, CLII) is the natural number following one hundred fifty-one and preceding one hundred fifty-three. It is a composite number, and its factorization is
<math>152 = 2^3 \cdot 19.<math>
This number is the sum of four consecutive primes (31 + 37 + 41 + 43). It is a Harshad number. It is a nontotient since there is no integer with 152 coprimes below it.
One hundred fifty-two is also:
One hundred fifty-three now has its own article.
One hundred fifty-four (154, CLIV) is the natural number following one hundred fifty-three and preceding one hundred fifty-five. It is a composite number, and its factorization
<math>154 = 2 \cdot 7 \cdot 11<math>
makes it a sphenic number. It is also a nonagonal number. It is a nontotient since there is no integer with 154 coprimes below it, and a self number since there is no integer which added up to its base 10 digits results in 154.
One hundred fifty-four is also:
One hundred fifty-five (155, CLV) is the natural number following one hundred fifty-four and preceding one hundred fifty-six. It is a composite number, and its factorization is
<math>155 = 5 \cdot 31.<math>
One hundred fifty-five is also:
- The designation of some spur routes of Interstate 55.
- The year AD 155 or 155 BC.
- The maximum possible score in a single break in snooker, including penalty points.
One hundred fifty-six (156, CLVI) is the natural number following one hundred fifty-five and preceding one hundred fifty-six. It is a composite number, and its factorization is
<math>156 = 2^2 \cdot 3 \cdot 13.<math>
It is a pronic number and a Harshad number.
One hundred fifty-six is also:
- The number of sons of Magbish in the Census of the men of Israel upon return from exile (Holy Bible, Ezra 2:30).
- The year AD 156 or 156 BC.
One hundred fifty-seven (157, CLVII) is the natural number following one hundred fifty-six and preceding one hundred fifty-eight. It is the 37th prime number, the next is one hundred sixty-three.
One hundred fifty-seven is also:
One hundred fifty-eight (158, CLVIII) is the natural number following one hundred fifty-seven and preceding one hundred fifty-eight. It is a composite number, and its factorization is
<math>158 = 2 \cdot 79.<math>
It is a nontotient since there is no integer with 158 coprimes below it.
One hundred fifty-eight is also:
One hundred fifty-nine (159, CLIX) is the natural number following one hundred fifty-eight and preceding one hundred sixty. It is a composite number, and its factorization
<math>159 = 3 \cdot 53.<math>
This number is the sum of three consecutive primes (47 + 53 + 59). Given 159, the Mertens function returns 0. 159 is a Woodall number.
One hundred fifty-nine is also: