Live analysis
10,021
10,021 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
- 4
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 12,001
- Recamán's sequence
- a(5,097) = 10,021
- Square (n²)
- 100,420,441
- Cube (n³)
- 1,006,313,239,261
- Divisor count
- 4
- σ(n) — sum of divisors
- 10,944
- φ(n) — Euler's totient
- 9,100
- Sum of prime factors
- 922
Primality
Prime factorization: 11 × 911
Divisors & multiples
Aliquot sum (sum of proper divisors):
923
First multiples
10,021
·
20,042
(double)
·
30,063
·
40,084
·
50,105
·
60,126
·
70,147
·
80,168
·
90,189
·
100,210
Sums & aliquot sequence
As consecutive integers:
5,010 + 5,011
906 + 907 + … + 916
445 + 446 + … + 466
Aliquot sequence:
10,021 → 923 → 85 → 23 → 1 → 0
— terminates at zero
Representations
- In words
- ten thousand twenty-one
- Ordinal
- 10021st
- Binary
- 10011100100101
- Octal
- 23445
- Hexadecimal
- 0x2725
- Base64
- JyU=
- One's complement
- 55,514 (16-bit)
In other bases
ternary (3)
111202011
quaternary (4)
2130211
quinary (5)
310041
senary (6)
114221
septenary (7)
41134
nonary (9)
14664
undecimal (11)
7590
duodecimal (12)
5971
tridecimal (13)
473b
tetradecimal (14)
391b
pentadecimal (15)
2e81
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓂍𓎆𓎆𓏺
- Greek (Milesian)
- ͵ικαʹ
- Mayan (base 20)
- 𝋡·𝋥·𝋡·𝋡
- Chinese
- 一萬零二十一
- Chinese (financial)
- 壹萬零貳拾壹
In other modern scripts
Eastern Arabic
١٠٠٢١
Devanagari
१००२१
Bengali
১০০২১
Tamil
௧௦௦௨௧
Thai
๑๐๐๒๑
Tibetan
༡༠༠༢༡
Khmer
១០០២១
Lao
໑໐໐໒໑
Burmese
၁၀၀၂၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 10,021 = 9
- e — Euler's number (e)
- Digit 10,021 = 8
- φ — Golden ratio (φ)
- Digit 10,021 = 4
- √2 — Pythagoras's (√2)
- Digit 10,021 = 9
- ln 2 — Natural log of 2
- Digit 10,021 = 2
- γ — Euler-Mascheroni (γ)
- Digit 10,021 = 3
Also seen as
Unicode codepoint
✥
Four Club-Spoked Asterisk
U+2725
Other symbol (So)
UTF-8 encoding: E2 9C A5 (3 bytes).
Hex color
#002725
RGB(0, 39, 37)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.39.37.
- Address
- 0.0.39.37
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.39.37
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 10021 first appears in π at position 200,699 of the decimal expansion (the 200,699ordinal-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.