Number
82,009
82,009 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 90,028
- Recamán's sequence
- a(23,737) = 82,009
- Square (n²)
- 6,725,476,081
- Cube (n³)
- 551,549,567,926,729
- Divisor count
- 2
- σ(n) — sum of divisors
- 82,010
- φ(n) — Euler's totient
- 82,008
Primality
82,009 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
82,009
·
164,018
(double)
·
246,027
·
328,036
·
410,045
·
492,054
·
574,063
·
656,072
·
738,081
·
820,090
Sums & aliquot sequence
As a sum of two squares:
28² + 285²
As consecutive integers:
41,004 + 41,005
Representations
- In words
- eighty-two thousand nine
- Ordinal
- 82009th
- Binary
- 10100000001011001
- Octal
- 240131
- Hexadecimal
- 0x14059
- Base64
- AUBZ
- One's complement
- 4,294,885,286 (32-bit)
In other bases
ternary (3)
11011111101
quaternary (4)
110001121
quinary (5)
10111014
senary (6)
1431401
septenary (7)
461044
nonary (9)
134441
undecimal (11)
56684
duodecimal (12)
3b561
tridecimal (13)
2b435
tetradecimal (14)
21c5b
pentadecimal (15)
19474
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵πβθʹ
- Mayan (base 20)
- 𝋪·𝋥·𝋠·𝋩
- Chinese
- 八萬二千零九
- Chinese (financial)
- 捌萬貳仟零玖
In other modern scripts
Eastern Arabic
٨٢٠٠٩
Devanagari
८२००९
Bengali
৮২০০৯
Tamil
௮௨௦௦௯
Thai
๘๒๐๐๙
Tibetan
༨༢༠༠༩
Khmer
៨២០០៩
Lao
໘໒໐໐໙
Burmese
၈၂၀၀၉
Digit at this position in famous constants
- π — Pi (π)
- Digit 82,009 = 1
- e — Euler's number (e)
- Digit 82,009 = 6
- φ — Golden ratio (φ)
- Digit 82,009 = 7
- √2 — Pythagoras's (√2)
- Digit 82,009 = 4
- ln 2 — Natural log of 2
- Digit 82,009 = 9
- γ — Euler-Mascheroni (γ)
- Digit 82,009 = 9
Also seen as
Prime neighborhood
Unicode codepoint
Egyptian Hieroglyph-14059
U+14059
Other letter (Lo)
UTF-8 encoding: F0 94 81 99 (4 bytes).
Hex color
#014059
RGB(1, 64, 89)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.1.64.89.
- Address
- 0.1.64.89
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.64.89
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 82009 first appears in π at position 124,512 of the decimal expansion (the 124,512ordinal-suffix:th 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.