Live analysis
42,001
42,001 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
- 7
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 10,024
- Recamán's sequence
- a(151,621) = 42,001
- Square (n²)
- 1,764,084,001
- Cube (n³)
- 74,093,292,126,001
- Divisor count
- 4
- σ(n) — sum of divisors
- 42,532
- φ(n) — Euler's totient
- 41,472
- Sum of prime factors
- 530
Primality
Prime factorization: 97 × 433
Divisors & multiples
Aliquot sum (sum of proper divisors):
531
First multiples
42,001
·
84,002
(double)
·
126,003
·
168,004
·
210,005
·
252,006
·
294,007
·
336,008
·
378,009
·
420,010
Sums & aliquot sequence
As a sum of two squares:
40² + 201² = 105² + 176²
As consecutive integers:
21,000 + 21,001
385 + 386 + … + 481
120 + 121 + … + 313
Aliquot sequence:
42,001 → 531 → 249 → 87 → 33 → 15 → 9 → 4 → 3 → 1 → 0
— terminates at zero
Representations
- In words
- forty-two thousand one
- Ordinal
- 42001st
- Binary
- 1010010000010001
- Octal
- 122021
- Hexadecimal
- 0xA411
- Base64
- pBE=
- One's complement
- 23,534 (16-bit)
In other bases
ternary (3)
2010121121
quaternary (4)
22100101
quinary (5)
2321001
senary (6)
522241
septenary (7)
233311
nonary (9)
63547
undecimal (11)
29613
duodecimal (12)
20381
tridecimal (13)
1616b
tetradecimal (14)
11441
pentadecimal (15)
c6a1
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋 𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓏺
- Greek (Milesian)
- ͵μβαʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋠·𝋡
- Chinese
- 四萬二千零一
- Chinese (financial)
- 肆萬貳仟零壹
In other modern scripts
Eastern Arabic
٤٢٠٠١
Devanagari
४२००१
Bengali
৪২০০১
Tamil
௪௨௦௦௧
Thai
๔๒๐๐๑
Tibetan
༤༢༠༠༡
Khmer
៤២០០១
Lao
໔໒໐໐໑
Burmese
၄၂၀၀၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,001 = 7
- e — Euler's number (e)
- Digit 42,001 = 4
- φ — Golden ratio (φ)
- Digit 42,001 = 0
- √2 — Pythagoras's (√2)
- Digit 42,001 = 9
- ln 2 — Natural log of 2
- Digit 42,001 = 4
- γ — Euler-Mascheroni (γ)
- Digit 42,001 = 5
Also seen as
Unicode codepoint
ꐑ
Yi Syllable Qur
U+A411
Other letter (Lo)
UTF-8 encoding: EA 90 91 (3 bytes).
Hex color
#00A411
RGB(0, 164, 17)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.17.
- Address
- 0.0.164.17
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.17
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 42001 first appears in π at position 23,483 of the decimal expansion (the 23,483ordinal-suffix:rd 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.