Recognised as Number
-1,320,221
- Negative
- Odd
- 7 digits
-1,320,221 is an odd 7-digit integer and the negative of 1,320,221. It has 4 divisors and a digital root of 2.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value1,320,221
Digit count7
Digit sum11
Digit product0zero, because one of the digits is zero
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 7 × 188,603
Distinct prime factors27, 188,603
Number of divisors4
Sum of divisors σ(n)1,508,832
SquarefreeYesno repeated prime factor
All divisors1, 7, 188,603, 1,320,2214 in total
Arithmetic
Previous number-1,320,222
Next number-1,320,220
Double-2,640,442
Half-660,110.5
Square1,742,983,488,841
Cube-2,301,123,404,621,153,861
Cube root-109.702252638≈
Negation1,320,221
Reciprocal-7.57448942 × 10^-7≈
Representations
Decimal-1,320,221
Binary10100001001010001110121 bits
Octal5022435
Hexadecimal14251D
Base 36SAOT
In wordsminus one million, three hundred and twenty thousand, two hundred and twenty-one
Ordinalminus one million, three hundred and twenty thousand, two hundred and twenty-first
Scientific notation-1.320221 × 10^6
Engineering notation-1.320221 × 10^6
In other bases
Ternary2111002000002base 3; the most digit-efficient integer base after e: 13 digits
Quinary314221341base 5; one hand: 9 digits
Septenary14136020base 7: 8 digits
Nonary2432002base 9; each digit is two ternary digits: 7 digits
Duodecimal538025base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal850b1base 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal6:6:43:41base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternaryT1TTT0T10000T1digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1111000010111100100111base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
11111111111010111101101011100011
Bit length21 bitsto write the magnitude
Set bits9the population count, or Hamming weight
Zero bits12within that length
Bit parityodd9 set bits, so odd; not the same as the number itself being odd
Highest set bitbit 20worth 1,048,576
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes314 25 1d
Gray code111100011011110010011n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit11111111111010111101101011100011two's complement
64-bit1111111111111111111111111111111111111111111010111101101011100011two's complement
One's complement00000000000101000010010100011100at 32 bits, every bit flipped
Bits reversed11000111010110111101011111111111at 32 bits
Rotated left by 111111111110101111011010111000111at 32 bits, wrapping
Shifted left by 1-1010000100101000111010= -2,640,442, no wrap
Shifted right by 1-10100001001010001111= -660,110, discarding the low bit
These bits as a double6.52275841 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-1,320,221 to the power 21,742,983,488,841
-1,320,221 to the power 3-2,301,123,404,621,153,861
-1,320,221 to the power 43,037,991,442,372,344,371,523,281
-1,320,221 to the power 5-4,010,820,100,040,258,858,516,837,565,101
First ten multiples-1,320,221, -2,640,442, -3,960,663, -5,280,884, -6,601,105, -7,921,326, -9,241,547, -10,561,768, -11,881,989, -13,202,210
Powers of twoBetween 2^20 (1,048,576) and 2^21 (2,097,152)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7Yes
Divisible by 8No, remainder 5
Divisible by 9No, remainder 2
Divisible by 10No, remainder 1
Divisible by 11No, remainder 1
Divisible by 12No, remainder 5
Divisible by 100No, remainder 21
As a percentage & fraction
As a percentage-132,022,100%
-1,320,221% as a decimal-13,202.21
-1,320,221% of 100-1,320,221
-1,320,221% of 1,000-13,202,210
As a fraction of 100-1,320,221/100
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