Integer Profile

221,907

3 × 7 × 10567

Prime factors, divisor sums, positional representations and sequence properties for 221,907. The prime factorization is 3 × 7 × 10567.

Number of positive divisors: 8. Showing the recorded part of the sequence: 155.

DeficientOddComposite

Divisor catalog (8)

1372110,56731,70173,969221,907

Showing 8 of 8.

Collatz trajectory (155 steps)

Even: n → n/2; Odd: n → 3n + 1

221,907665,722332,861998,584499,292249,646124,823374,470187,235561,706280,853842,560421,280210,640105,32052,66026,33013,16539,49619,7489,8744,93714,8127,4063,70311,1105,55516,6668,33325,00012,5006,2503,1259,3764,6882,3441,1725862938804402201105516683250125376188944714271214107322161484242

Showing 60 of 60.

Prime factorization

Factorization: 3 × 7 × 10567
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 338,176
Proper-divisor sum: 116,269
Digit sum: 21
Digital root: 3

Number bases

Decimal: 221907
Binary: 110110001011010011 (18 bits)
Octal: 0o661323
Hexadecimal: 0x362D3