Integer Profile
2,990,421
3^2 × 7^2 × 6781
Prime factors, divisor sums, positional representations and sequence properties for 2,990,421. The prime factorization is 3^2 × 7^2 × 6781.
Number of positive divisors: 18. Showing the recorded part of the sequence: 76.
Arithmetic properties
- Positive divisors
- 18
- Divisor sum
- 5,025,462
- Proper-divisor sum
- 2,035,041
- Digit sum
- 27
- Digital root
- 9
Number bases
- Decimal
- 2990421
- Binary
- 1011011010000101010101 (22 bits)
- Octal
- 0o13320525
- Hexadecimal
- 0x2DA155
Divisor catalog (18)
13792149631474416,78120,34347,46761,029142,401332,269427,203996,8072,990,421
Showing 18 of 18.
Collatz trajectory (76 steps)
Even: n → n/2; Odd: n → 3n + 1
2,990,4218,971,2644,485,6322,242,8161,121,408560,704280,352140,17670,08835,04417,5228,76126,28413,1426,57119,7149,85729,57214,7867,39322,18011,0905,54516,6368,3184,15912,4786,23918,7189,35928,07814,03942,11821,05963,17831,58994,76847,38423,69211,8465,92317,7708,88526,65613,3286,6643,3321,6668332,5001,2506251,8769384691,40870435217688
Showing 60 of 60.
Prime factorization
- Factorization
- 3^2 × 7^2 × 6781
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Odd
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