Number
42,101
42,101 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 10,124
- Recamán's sequence
- a(151,421) = 42,101
- Square (n²)
- 1,772,494,201
- Cube (n³)
- 74,623,778,356,301
- Divisor count
- 2
- σ(n) — sum of divisors
- 42,102
- φ(n) — Euler's totient
- 42,100
Primality
42,101 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
42,101
·
84,202
(double)
·
126,303
·
168,404
·
210,505
·
252,606
·
294,707
·
336,808
·
378,909
·
421,010
Sums & aliquot sequence
As a sum of two squares:
50² + 199²
As consecutive integers:
21,050 + 21,051
Representations
- In words
- forty-two thousand one hundred one
- Ordinal
- 42101st
- Binary
- 1010010001110101
- Octal
- 122165
- Hexadecimal
- 0xA475
- Base64
- pHU=
- One's complement
- 23,434 (16-bit)
In other bases
ternary (3)
2010202022
quaternary (4)
22101311
quinary (5)
2321401
senary (6)
522525
septenary (7)
233513
nonary (9)
63668
undecimal (11)
296a4
duodecimal (12)
20445
tridecimal (13)
16217
tetradecimal (14)
114b3
pentadecimal (15)
c71b
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓏺
- Greek (Milesian)
- ͵μβραʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋥·𝋡
- Chinese
- 四萬二千一百零一
- Chinese (financial)
- 肆萬貳仟壹佰零壹
In other modern scripts
Eastern Arabic
٤٢١٠١
Devanagari
४२१०१
Bengali
৪২১০১
Tamil
௪௨௧௦௧
Thai
๔๒๑๐๑
Tibetan
༤༢༡༠༡
Khmer
៤២១០១
Lao
໔໒໑໐໑
Burmese
၄၂၁၀၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,101 = 4
- e — Euler's number (e)
- Digit 42,101 = 6
- φ — Golden ratio (φ)
- Digit 42,101 = 1
- √2 — Pythagoras's (√2)
- Digit 42,101 = 0
- ln 2 — Natural log of 2
- Digit 42,101 = 5
- γ — Euler-Mascheroni (γ)
- Digit 42,101 = 5
Also seen as
Unicode codepoint
ꑵ
Yi Syllable Yiet
U+A475
Other letter (Lo)
UTF-8 encoding: EA 91 B5 (3 bytes).
Hex color
#00A475
RGB(0, 164, 117)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.117.
- Address
- 0.0.164.117
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.117
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 42101 first appears in π at position 282,141 of the decimal expansion (the 282,141ordinal-suffix:st 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.