Live analysis
20,009
20,009 is a composite number, odd.
This number doesn't have a permanent NumberWiki page yet — what you see below is computed live.
Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 90,002
- Square (n²)
- 400,360,081
- Cube (n³)
- 8,010,804,860,729
- Divisor count
- 8
- σ(n) — sum of divisors
- 23,328
- φ(n) — Euler's totient
- 16,960
- Sum of prime factors
- 135
Primality
Prime factorization: 11 × 17 × 107
Divisors & multiples
Aliquot sum (sum of proper divisors):
3,319
First multiples
20,009
·
40,018
(double)
·
60,027
·
80,036
·
100,045
·
120,054
·
140,063
·
160,072
·
180,081
·
200,090
Sums & aliquot sequence
As consecutive integers:
10,004 + 10,005
1,814 + 1,815 + … + 1,824
1,169 + 1,170 + … + 1,185
899 + 900 + … + 920
Aliquot sequence:
20,009 → 3,319 → 1 → 0
— terminates at zero
Representations
- In words
- twenty thousand nine
- Ordinal
- 20009th
- Binary
- 100111000101001
- Octal
- 47051
- Hexadecimal
- 0x4E29
- Base64
- Tik=
- One's complement
- 45,526 (16-bit)
In other bases
ternary (3)
1000110002
quaternary (4)
10320221
quinary (5)
1120014
senary (6)
232345
septenary (7)
112223
nonary (9)
30402
undecimal (11)
14040
duodecimal (12)
b6b5
tridecimal (13)
9152
tetradecimal (14)
7413
pentadecimal (15)
5dde
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵κθʹ
- Mayan (base 20)
- 𝋢·𝋪·𝋠·𝋩
- Chinese
- 二萬零九
- Chinese (financial)
- 貳萬零玖
In other modern scripts
Eastern Arabic
٢٠٠٠٩
Devanagari
२०००९
Bengali
২০০০৯
Tamil
௨௦௦௦௯
Thai
๒๐๐๐๙
Tibetan
༢༠༠༠༩
Khmer
២០០០៩
Lao
໒໐໐໐໙
Burmese
၂၀၀၀၉
Digit at this position in famous constants
- π — Pi (π)
- Digit 20,009 = 3
- e — Euler's number (e)
- Digit 20,009 = 1
- φ — Golden ratio (φ)
- Digit 20,009 = 3
- √2 — Pythagoras's (√2)
- Digit 20,009 = 2
- ln 2 — Natural log of 2
- Digit 20,009 = 1
- γ — Euler-Mascheroni (γ)
- Digit 20,009 = 7
Also seen as
Unicode codepoint
丩
CJK Unified Ideograph-4E29
U+4E29
Other letter (Lo)
UTF-8 encoding: E4 B8 A9 (3 bytes).
Hex color
#004E29
RGB(0, 78, 41)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.41.
- Address
- 0.0.78.41
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.78.41
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 20009 first appears in π at position 103,902 of the decimal expansion (the 103,902ordinal-suffix:nd 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.