MathQuarryCalculators

Factors / Factors of 245

Factors of 245

1, 5, 7, 35, 49, 245

245 breaks into 3 pairs, tested up to √245 ≈ 15.7; each pair multiplies back to 245 exactly. 245's full pair list is (1, 245), (5, 49), (7, 35), for 6 divisors in total. 245's divisors other than 245 itself sum to just 97, 148 below 245: the common deficient case. 245 is odd, digit sum 11 for 245; small divisors of 245 include 5, 7. 245 has 6 divisors; 244 has 6 and 246 has 8, so 246 wins here. 245 divided by its largest divisor, 49, gives 5.

Factors
1, 5, 7, 35, 49, 245
Number of factors
6
Prime?
No
Prime factorization
5 x 7^2
Even or odd
Odd
Square
60025
Cube
14706125
Binary
11110101
Hexadecimal
F5
Roman numeral
CCXLV
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No