Integer Profile
1,215,381
3 × 17 × 23831
Prime factors, divisor sums, positional representations and sequence properties for 1,215,381. The prime factorization is 3 × 17 × 23831.
Number of positive divisors: 8. Showing the recorded part of the sequence: 67.
Prime factorization
- Factorization
- 3 × 17 × 23831
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 8
- Divisor sum
- 1,715,904
- Proper-divisor sum
- 500,523
- Digit sum
- 21
- Digital root
- 3
Number bases
- Decimal
- 1215381
- Binary
- 100101000101110010101 (21 bits)
- Octal
- 0o4505625
- Hexadecimal
- 0x128B95
Divisor catalog (8)
13175123,83171,493405,1271,215,381
Showing 8 of 8.
Collatz trajectory (67 steps)
Even: n → n/2; Odd: n → 3n + 1
1,215,3813,646,1441,823,072911,536455,768227,884113,94256,971170,91485,457256,372128,18664,093192,28096,14048,07024,03572,10636,053108,16054,08027,04013,5206,7603,3801,6908452,5361,268634317952476238119358179538269808404202101304152763819582988442211341752261340
Showing 60 of 60.
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