Integer Profile

6,821,325

3^2 × 5^2 × 7 × 61 × 71

Prime factors, divisor sums, positional representations and sequence properties for 6,821,325. The prime factorization is 3^2 × 5^2 × 7 × 61 × 71.

Number of positive divisors: 72. Showing the recorded part of the sequence: 77.

AbundantOddComposite

Collatz trajectory (77 steps)

Even: n → n/2; Odd: n → 3n + 1

6,821,32520,463,97610,231,9885,115,9942,557,9977,673,9923,836,9961,918,498959,2492,877,7481,438,874719,4372,158,3121,079,156539,578269,789809,368404,684202,342101,171303,514151,757455,272227,636113,81856,909170,72885,36442,68221,34164,02432,01216,0068,00324,01012,00536,01618,0089,0044,5022,2516,7543,37710,1325,0662,5337,6003,8001,9009504751,4267132,1401,0705351,6068032,4101,205

Showing 60 of 60.

Prime factorization

Factorization: 3^2 × 5^2 × 7 × 61 × 71
Distinct prime factors: 5
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 72
Divisor sum: 14,391,936
Proper-divisor sum: 7,570,611
Digit sum: 27
Digital root: 9

Number bases

Decimal: 6821325
Binary: 11010000001010111001101 (23 bits)
Octal: 0o32012715
Hexadecimal: 0x6815CD

Divisor catalog (72)

135791521253545616371751051751832132253053153554274975255496399151,0651,2811,4911,5251,5751,7752,1352,4852,7453,1953,8434,3314,4734,5755,3256,4057,45510,67512,42512,99313,72515,97519,21521,65522,36530,31732,02537,27538,97964,96590,95196,075

Showing 60 of 72.