Integer Profile
1,218,221
1218221
Prime factors, divisor sums, positional representations and sequence properties for 1,218,221. The prime factorization is 1218221.
Number of positive divisors: 2. Showing the recorded part of the sequence: 147.
Prime factorization
- Factorization
- 1218221
- Distinct prime factors
- 1
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 2
- Divisor sum
- 1,218,222
- Proper-divisor sum
- 1
- Digit sum
- 17
- Digital root
- 8
Number bases
- Decimal
- 1218221
- Binary
- 100101001011010101101 (21 bits)
- Octal
- 0o4513255
- Hexadecimal
- 0x1296AD
Divisor catalog (2)
11,218,221
Showing 2 of 2.
Collatz trajectory (147 steps)
Even: n → n/2; Odd: n → 3n + 1
1,218,2213,654,6641,827,332913,666456,8331,370,500685,250342,6251,027,876513,938256,969770,908385,454192,727578,182289,091867,274433,6371,300,912650,456325,228162,61481,307243,922121,961365,884182,94291,471274,414137,207411,622205,811617,434308,717926,152463,076231,538115,769347,308173,65486,827260,482130,241390,724195,36297,681293,044146,52273,261219,784109,89254,94627,47382,42041,21020,60561,81630,90815,4547,727
Showing 60 of 60.
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