Recognised as Number
-139
- Negative
- Odd
- 3 digits
-139 is an odd 3-digit integer and the negative of 139. It has 2 divisors and a digital root of 4.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value139
Digit count3
Digit sum13
Digit product27
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root4repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 139
Distinct prime factors1139
Number of divisors2
Sum of divisors σ(n)140
SquarefreeYesno repeated prime factor
All divisors1, 1392 in total
Arithmetic
Representations
Decimal-139
Binary100010118 bits
Octal213
Hexadecimal8B
Base 363V
In wordsminus one hundred and thirty-nine
Ordinalminus one hundred and thirty-ninth
Scientific notation-1.39 × 10^2
Engineering notation-139
In other bases
Ternary12011base 3; the most digit-efficient integer base after e: 5 digits
Quinary1024base 5; one hand: 4 digits
Septenary256base 7: 3 digits
Nonary164base 9; each digit is two ternary digits: 3 digits
Duodecimalb7base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 2 digits
Vigesimal6jbase 20; hands and feet, and the Mayan and Yoruba systems: 2 digits
Sexagesimal2:19base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternaryT110TTdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary10110101base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
1111111101110101
Bit length8 bitsto write the magnitude
Set bits4the population count, or Hamming weight
Zero bits4within that length
Bit parityeven4 set bits, so even; not the same as the number itself being odd
Highest set bitbit 7worth 128
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes18b
Gray code11001110n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit1111111101110101two's complement
32-bit11111111111111111111111101110101two's complement
64-bit1111111111111111111111111111111111111111111111111111111101110101two's complement
One's complement0000000010001010at 16 bits, every bit flipped
Bits reversed1010111011111111at 16 bits
Rotated left by 11111111011101011at 16 bits, wrapping
Shifted left by 1-100010110= -278, no wrap
Shifted right by 1-1000110= -69, discarding the low bit
These bits as a double6.86751248 × 10^-322≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-139 to the power 219,321
-139 to the power 3-2,685,619
-139 to the power 4373,301,041
-139 to the power 5-51,888,844,699
First ten multiples-139, -278, -417, -556, -695, -834, -973, -1,112, -1,251, -1,390
Powers of twoBetween 2^7 (128) and 2^8 (256)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 1
Divisible by 4No, remainder 3
Divisible by 5No, remainder 4
Divisible by 6No, remainder 1
Divisible by 7No, remainder 6
Divisible by 8No, remainder 3
Divisible by 9No, remainder 4
Divisible by 10No, remainder 9
Divisible by 11No, remainder 7
Divisible by 12No, remainder 7
Divisible by 100No, remainder 39
As a percentage & fraction
As a percentage-13,900%
-139% as a decimal-1.39
-139% of 100-139
-139% of 1,000-1,390
As a fraction of 100-139/100
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Derived from -139
Nerdulate something else
Nothing in mind? Surprise me · today’s page