This number is also the sum of a twin prime (59 + 61) as well as the sum of four consecutive primes (23 + 29 + 31 + 37). 120 is the smallest number to appear six times in Pascal's triangle. Five factorial is equal to 120.
See also: one hundred, one hundred ten, one hundred twenty, one hundred thirty
One hundred twenty is also:
One hundred twenty-one (121, CXXI) is the natural number following one hundred twenty and preceding one hundred twenty-two. It is a composite number, and its factorization is
This number is the sum of three consecutive primes (37 + 41 + 43).
One hundred twenty-one is also:
This article is about the number. For the year AD 121, see 121.
One hundred twenty-two (122, CXXII) is the natural number following one hundred twenty-one and preceding one hundred twenty-three. It is a composite number, and its factorization is
One hundred twenty-two is also:
One hundred twenty-three (123, CXXIII) is the natural number following one hundred twenty-two and preceding one hundred twenty-four. It is a Lucas number and a composite number, and its factorization is
One hundred twenty-three is also:
This article is about the number. For the year AD 123, see 123.
One hundred twenty-four (124, CXXIV) is the natural number following one hundred twenty-three and preceding one hundred twenty-five. It is a composite number, and its factorization is
One hundred twenty-four is also:
This article is about the number. For the year AD 124, see 124.
One hundred twenty-five (125, CXXV) is the natural number following one hundred twenty-four and preceding one hundred twenty-six. It is a composite number, and its factorization is
One hundred twenty-five is also:
This article is about the number. For the year AD 125, see 125.
One hundred twenty-six (126, CXXVI) is the natural number following one hundred twenty-five and preceding one hundred twenty-six. It is a composite number, with divsisors 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, making it an abundant number, and its factorization is
One hundred twenty-six is also:
One hundred twenty-seven (127, CXXVII) is the natural number following one hundred twenty-six and preceding one hundred twenty-eight. It is a Mersenne prime, 27 - 1, and as such, in binary it is a repunit prime, a permutable prime and a palindromic prime. This also means it is the largest integer that can be represented by a signed byte.
One hundred twenty-seven is also:
One hundred twenty-eight (128, CXXVIII) is the natural number following one hundred twenty-seven and preceding one hundred twenty-eight. It is a composite number, and its factorization is
One hundred twenty-eight is also:
One hundred twenty-nine (129, CXXIX) is the natural number following one hundred twenty-eight and preceding one hundred thirty. It is a composite number, and its factorization is
This number is the sum of the first ten prime numbers.
One hundred twenty-nine is also: