Number
55,021
55,021 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 12,055
- Recamán's sequence
- a(141,513) = 55,021
- Square (n²)
- 3,027,310,441
- Cube (n³)
- 166,565,647,774,261
- Divisor count
- 2
- σ(n) — sum of divisors
- 55,022
- φ(n) — Euler's totient
- 55,020
Primality
55,021 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
55,021
·
110,042
(double)
·
165,063
·
220,084
·
275,105
·
330,126
·
385,147
·
440,168
·
495,189
·
550,210
Sums & aliquot sequence
As a sum of two squares:
114² + 205²
As consecutive integers:
27,510 + 27,511
Representations
- In words
- fifty-five thousand twenty-one
- Ordinal
- 55021st
- Binary
- 1101011011101101
- Octal
- 153355
- Hexadecimal
- 0xD6ED
- Base64
- 1u0=
- One's complement
- 10,514 (16-bit)
In other bases
ternary (3)
2210110211
quaternary (4)
31123231
quinary (5)
3230041
senary (6)
1102421
septenary (7)
316261
nonary (9)
83424
undecimal (11)
3837a
duodecimal (12)
27a11
tridecimal (13)
1c075
tetradecimal (14)
160a1
pentadecimal (15)
11481
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺
- Greek (Milesian)
- ͵νεκαʹ
- Mayan (base 20)
- 𝋦·𝋱·𝋫·𝋡
- Chinese
- 五萬五千零二十一
- Chinese (financial)
- 伍萬伍仟零貳拾壹
In other modern scripts
Eastern Arabic
٥٥٠٢١
Devanagari
५५०२१
Bengali
৫৫০২১
Tamil
௫௫௦௨௧
Thai
๕๕๐๒๑
Tibetan
༥༥༠༢༡
Khmer
៥៥០២១
Lao
໕໕໐໒໑
Burmese
၅၅၀၂၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,021 = 3
- e — Euler's number (e)
- Digit 55,021 = 7
- φ — Golden ratio (φ)
- Digit 55,021 = 7
- √2 — Pythagoras's (√2)
- Digit 55,021 = 5
- ln 2 — Natural log of 2
- Digit 55,021 = 8
- γ — Euler-Mascheroni (γ)
- Digit 55,021 = 2
Also seen as
Unicode codepoint
훭
Hangul Syllable Hweolt
U+D6ED
Other letter (Lo)
UTF-8 encoding: ED 9B AD (3 bytes).
Hex color
#00D6ED
RGB(0, 214, 237)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.214.237.
- Address
- 0.0.214.237
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.214.237
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 55021 first appears in π at position 102,289 of the decimal expansion (the 102,289ordinal-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.