Number
42,239
42,239 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 20
- Digit product
- 432
- Digital root
- 2
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 93,224
- Recamán's sequence
- a(151,145) = 42,239
- Square (n²)
- 1,784,133,121
- Cube (n³)
- 75,359,998,897,919
- Divisor count
- 2
- σ(n) — sum of divisors
- 42,240
- φ(n) — Euler's totient
- 42,238
Primality
42,239 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
42,239
·
84,478
(double)
·
126,717
·
168,956
·
211,195
·
253,434
·
295,673
·
337,912
·
380,151
·
422,390
Sums & aliquot sequence
As consecutive integers:
21,119 + 21,120
Representations
- In words
- forty-two thousand two hundred thirty-nine
- Ordinal
- 42239th
- Binary
- 1010010011111111
- Octal
- 122377
- Hexadecimal
- 0xA4FF
- Base64
- pP8=
- One's complement
- 23,296 (16-bit)
In other bases
ternary (3)
2010221102
quaternary (4)
22103333
quinary (5)
2322424
senary (6)
523315
septenary (7)
234101
nonary (9)
63842
undecimal (11)
2980a
duodecimal (12)
2053b
tridecimal (13)
162c2
tetradecimal (14)
11571
pentadecimal (15)
c7ae
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβσλθʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋫·𝋳
- Chinese
- 四萬二千二百三十九
- Chinese (financial)
- 肆萬貳仟貳佰參拾玖
In other modern scripts
Eastern Arabic
٤٢٢٣٩
Devanagari
४२२३९
Bengali
৪২২৩৯
Tamil
௪௨௨௩௯
Thai
๔๒๒๓๙
Tibetan
༤༢༢༣༩
Khmer
៤២២៣៩
Lao
໔໒໒໓໙
Burmese
၄၂၂၃၉
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,239 = 4
- e — Euler's number (e)
- Digit 42,239 = 4
- φ — Golden ratio (φ)
- Digit 42,239 = 2
- √2 — Pythagoras's (√2)
- Digit 42,239 = 7
- ln 2 — Natural log of 2
- Digit 42,239 = 6
- γ — Euler-Mascheroni (γ)
- Digit 42,239 = 4
Also seen as
Unicode codepoint
꓿
Lisu Punctuation Full Stop
U+A4FF
Other punctuation (Po)
UTF-8 encoding: EA 93 BF (3 bytes).
Hex color
#00A4FF
RGB(0, 164, 255)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.255.
- Address
- 0.0.164.255
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.255
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 42239 first appears in π at position 58,597 of the decimal expansion (the 58,597ordinal-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.