Home > 140 (number)

140 is the natural number following 139 and preceding 141.

140 is an abundant number and a harmonic divisor number. It is the sum of the squares of the first seven integers, which makes it a square pyramidal number, and in base 10 it is divisible by the sum of its digits, which makes it a Harshad number.

One hundred forty is also:

• The designation of some spur routes of Interstate 40.
• The age Job died at ( Holy Bible, Job 42:16).
• The year AD 140Alternate uses, see Number 140''. Events Pope Pius I succeeded Pope Hyginus. Ptolemy completes his Almagest (approximate date). Births Deaths 140. or 140 BCCenturies: 3rd century BC 2nd century BC 1st century BC Decades: 190s BC 180s BC 170s BC 160s BC 150s BC 140s BC 130s BC 120s BC 110s BC 100s BC 90s BC Years: 145 BC 144 BC 143 BC 142 BC 141 BC 140 BC 139 BC 138 BC 137 BC 136 BC 135 BC Events Han Wudi bec.

Other numbers in the 140s

One hundred forty-one (141, CXLI) is the natural number following one hundred forty and preceding one hundred forty-two. It is a centered pentagonal numberA centered pentagonal number is a centered figurate number that represents a pentagon with a dot in the center and all other dots surrounding the center in successive pentagonal layers. The centered pentagonal number for n is given by the formula. The fir, and a composite number, and its factorization is

One hundred forty-one is also:

• The year AD 141Events Construction of the Temple of Antoninus and Faustina in Rome. Change of Patriarch of Constantinople from Patriarch Felix to Patriarch Polycarpus II. Last (6th) year of Yonghe era of the Chinese Han Dynasty Births Deaths 141. or 141 BCCenturies: 3rd century BC 2nd century BC 1st century BC Decades: 190s BC 180s BC 170s BC 160s BC 150s BC 140s BC 130s BC 120s BC 110s BC 100s BC 90s BC Years: 146 BC 145 BC 144 BC 143 BC 142 BC 141 BC 140 BC 139 BC 138 BC 137 BC 136 BC Events The Seleucid.

One hundred forty-three (143, CXLIII) is the natural number following one hundred forty-two and preceding one hundred forty-four. It is a composite number, and its factorization is

This number is the sum of three consecutive primes (43 + 47 + 53), as well as the sum of seven consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31). But this number is never the sum of an integer and its base 10 digits, making it a self number.

Every positive integer is the sum of at most 143 seventh powers.

One hundred forty-three is also:

• The year AD 143 or 143 BC.

One hundred forty-five has its own article

One hundred forty-six (146, CXLVI) is the natural number following one hundred forty-five and preceding one hundred forty-six. It is a triangular number and an octahedral number as well as a composite number, and its factorization is

It is a nontotient since there is no integer with 146 coprimes below it, and an untouchable number since there is no integer whose proper divisors add up to 146.

One hundred forty-six is also:

• The year AD 146 or 146 BC.

One hundred forty-eight (148, CXLVIII) is the natural number following one hundred forty-seven and preceding one hundred forty-eight. It is a heptagonal number. It is a composite number, and its factorization

One hundred forty-eight is also:

• The number of singers, sons of Asaph, at the Census of men of Israel upon return from exile (Holy Bible, Nehemiah 7:44).
• The year AD 148 or 148 BC.

One hundred forty-nine (149, CXLIX) is the natural number following one hundred forty-eight and preceding one hundred fifty. It is the 35th prime number, the next is one hundred fifty-one, with which it comprises a twin prime. Given 149, the Mertens function returns 0. 149 is a tribonacci number.

One hundred forty-nine is also:

• The year AD 149 or 149 BC.