Number
20,011
20,011 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 4
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 11,002
- Square (n²)
- 400,440,121
- Cube (n³)
- 8,013,207,261,331
- Divisor count
- 2
- σ(n) — sum of divisors
- 20,012
- φ(n) — Euler's totient
- 20,010
Primality
20,011 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
20,011
·
40,022
(double)
·
60,033
·
80,044
·
100,055
·
120,066
·
140,077
·
160,088
·
180,099
·
200,110
Sums & aliquot sequence
As consecutive integers:
10,005 + 10,006
Representations
- In words
- twenty thousand eleven
- Ordinal
- 20011th
- Binary
- 100111000101011
- Octal
- 47053
- Hexadecimal
- 0x4E2B
- Base64
- Tis=
- One's complement
- 45,524 (16-bit)
In other bases
ternary (3)
1000110011
quaternary (4)
10320223
quinary (5)
1120021
senary (6)
232351
septenary (7)
112225
nonary (9)
30404
undecimal (11)
14042
duodecimal (12)
b6b7
tridecimal (13)
9154
tetradecimal (14)
7415
pentadecimal (15)
5de1
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓎆𓏺
- Greek (Milesian)
- ͵κιαʹ
- Mayan (base 20)
- 𝋢·𝋪·𝋠·𝋫
- Chinese
- 二萬零一十一
- Chinese (financial)
- 貳萬零壹拾壹
In other modern scripts
Eastern Arabic
٢٠٠١١
Devanagari
२००११
Bengali
২০০১১
Tamil
௨௦௦௧௧
Thai
๒๐๐๑๑
Tibetan
༢༠༠༡༡
Khmer
២០០១១
Lao
໒໐໐໑໑
Burmese
၂၀၀၁၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 20,011 = 0
- e — Euler's number (e)
- Digit 20,011 = 7
- φ — Golden ratio (φ)
- Digit 20,011 = 6
- √2 — Pythagoras's (√2)
- Digit 20,011 = 2
- ln 2 — Natural log of 2
- Digit 20,011 = 4
- γ — Euler-Mascheroni (γ)
- Digit 20,011 = 8
Also seen as
Unicode codepoint
丫
CJK Unified Ideograph-4E2B
U+4E2B
Other letter (Lo)
UTF-8 encoding: E4 B8 AB (3 bytes).
Hex color
#004E2B
RGB(0, 78, 43)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.43.
- Address
- 0.0.78.43
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.78.43
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 20011 first appears in π at position 213,781 of the decimal expansion (the 213,781ordinal-suffix:st digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.