# 900 (number)

(Redirected from 941 (number))
 ← 899 900 901 →
Cardinalnine hundred
Ordinal900th
(nine hundredth)
Factorization22 × 32 × 52
Divisors1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900
Greek numeralϠ´
Roman numeralCM
Unicode symbol(s)CM, cm
Binary11100001002
Ternary10201003
Quaternary320104
Quinary121005
Senary41006
Octal16048
Duodecimal63012
Vigesimal25020
Base 36P036

900 (nine hundred) is the natural number following 899 and preceding 901. It is the square of 30 and the sum of Euler's totient function for the first 54 integers. In base 10 it is a Harshad number.

900 is also:

## Integers from 901 to 999

### 920s

• 920 = 23 × 5 × 23, Mertens function(920) returns 0
• 921 = 3 × 307
• 922 = 2 × 461, nontotient, Smith number
• 923 = 13 × 71
• 924 = 22 × 3 × 7 × 11, sum of a twin prime (461 + 463), central binomial coefficient ${\tbinom {12}{6}}$ • 925 = 52 × 37, pentagonal number, centered square number
• 926 = 2 × 463, sum of six consecutive primes (139 + 149 + 151 + 157 + 163 + 167), nontotient
• 927 = 32 × 103, tribonacci number
• 928 = 25 × 29, sum of four consecutive primes (227 + 229 + 233 + 239), sum of eight consecutive primes (101 + 103 + 107 + 109 + 113 + 127 + 131 + 137), happy number
• 929 = prime number, Proth prime, palindromic prime, sum of nine consecutive primes (83 + 89 + 97 + 101 + 103 + 107 + 109 + 113 + 127), Eisenstein prime with no imaginary part

### 940s

• 940 = 22 × 5 × 47, totient sum for first 55 integers
• 941 = prime number, sum of three consecutive primes (311 + 313 + 317), sum of five consecutive primes (179 + 181 + 191 + 193 + 197), Chen prime, Eisenstein prime with no imaginary part
• 942 = 2 × 3 × 157, sphenic number, sum of four consecutive primes (229 + 233 + 239 + 241), nontotient
• 943 = 23 × 41
• 944 = 24 × 59, nontotient
• 945 = 33 × 5 × 7, double factorial of 9, smallest odd abundant number (divisors less than itself add up to 975); smallest odd primitive abundant number; smallest odd primitive semiperfect number; Leyland number
• 946 = 2 × 11 × 43, sphenic number, triangular number, hexagonal number, happy number
• 947 = prime number, sum of seven consecutive primes (113 + 127 + 131 + 137 + 139 + 149 + 151), balanced prime, Chen prime, Eisenstein prime with no imaginary part
• 948 = 22 × 3 × 79, nontotient, forms a Ruth–Aaron pair with 949 under second definition
• 949 = 13 × 73, forms a Ruth–Aaron pair with 948 under second definition

### 950s

• 950 = 2 × 52 × 19, nontotient
• one of two ISBN Group Identifiers for books published in Argentina
• 951 = 3 × 317, centered pentagonal number
• one of two ISBN Group Identifiers for books published in Finland
• 952 = 23 × 7 × 17
• 953 = prime number, Sophie Germain prime, Chen prime, Eisenstein prime with no imaginary part, centered heptagonal number
• ISBN Group Identifier for books published in Croatia
• 954 = 2 × 32 × 53, sum of ten consecutive primes (73 + 79 + 83 + 89 + 97 + 101 + 103 + 107 + 109 + 113), nontotient, Harshad number
• 955 = 5 × 191
• ISBN Group Identifier for books published in Sri Lanka
• 956 = 22 × 239
• ISBN Group Identifier for books published in Chile
• 957 = 3 × 11 × 29, sphenic number
• one of two ISBN Group Identifiers for books published in Taiwan and China
• 958 = 2 × 479, nontotient, Smith number
• 959 = 7 × 137, Carol number
• ISBN Group Identifier for books published in Cuba

### 960s

• 960 = 26 × 3 × 5, sum of six consecutive primes (149 + 151 + 157 + 163 + 167 + 173), Harshad number
• country calling code for Maldives, ISBN Group Identifier for books published in Greece
• The number of possible starting positions for the chess variant Chess960
• Chess960 also got its name from the number itself
• 961 = 312, the largest 3-digit perfect square, sum of three consecutive primes (313 + 317 + 331), sum of five consecutive primes (181 + 191 + 193 + 197 + 199), centered octagonal number
• country calling code for Lebanon, ISBN Group Identifier for books published in Slovenia
• 962 = 2 × 13 × 37, sphenic number, nontotient
• country calling code for Jordan, one of two ISBN Group Identifiers for books published in Hong Kong
• 963 = 32 × 107, sum of the first twenty-four primes
• country calling code for Syria, ISBN Group Identifier for books published in Hungary
• 964 = 22 × 241, sum of four consecutive primes (233 + 239 + 241 + 251), nontotient, totient sum for first 56 integers
• country calling code for Iraq, ISBN Group Identifier for books published in Iran, happy number
• 965 = 5 × 193
• country calling code for Kuwait, ISBN Group Identifier for books published in Israel
• 966 = 2 × 3 × 7 × 23, sum of eight consecutive primes (103 + 107 + 109 + 113 + 127 + 131 + 137 + 139), Harshad number
• country calling code for Saudi Arabia, one of two ISBN Group Identifiers for books published in Ukraine
• 967 = prime number
• country calling code for Yemen, one of two ISBN Group Identifiers for books published in Malaysia
• 968 = 23 × 112, nontotient
• country calling code for Oman, one of two ISBN Group Identifiers for books published in Mexico
• 969 = 3 × 17 × 19, sphenic number, nonagonal number, tetrahedral number

### 990s

• 990 = 2 × 32 × 5 × 11, sum of six consecutive primes (151 + 157 + 163 + 167 + 173 + 179), triangular number, Harshad number
• 991 = prime number, sum of five consecutive primes (191 + 193 + 197 + 199 + 211), sum of seven consecutive primes (127 + 131 + 137 + 139 + 149 + 151 + 157), Chen prime
• 992 = 25 × 31, pronic number, nontotient; number of eleven-dimensional exotic spheres.
• country calling code for Tajikistan
• 993 = 3 × 331
• country calling code for Turkmenistan
• 994 = 2 × 7 × 71, sphenic number, nontotient
• country calling code for Azerbaijan
• 995 = 5 × 199
• country calling code for Georgia
• Singapore fire brigade and emergency ambulance services hotline
• 996 = 22 × 3 × 83
• country calling code for Kyrgyzstan
• 997 is the largest three-digit prime number, strictly non-palindromic number
• 998 = 2 × 499, nontotient
• country calling code for Uzbekistan