Number
42,689
42,689 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 29
- Digit product
- 3,456
- Digital root
- 2
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 98,624
- Recamán's sequence
- a(73,214) = 42,689
- Square (n²)
- 1,822,350,721
- Cube (n³)
- 77,794,329,928,769
- Divisor count
- 2
- σ(n) — sum of divisors
- 42,690
- φ(n) — Euler's totient
- 42,688
Primality
42,689 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
42,689
·
85,378
(double)
·
128,067
·
170,756
·
213,445
·
256,134
·
298,823
·
341,512
·
384,201
·
426,890
Sums & aliquot sequence
As a sum of two squares:
92² + 185²
As consecutive integers:
21,344 + 21,345
Representations
- In words
- forty-two thousand six hundred eighty-nine
- Ordinal
- 42689th
- Binary
- 1010011011000001
- Octal
- 123301
- Hexadecimal
- 0xA6C1
- Base64
- psE=
- One's complement
- 22,846 (16-bit)
In other bases
ternary (3)
2011120002
quaternary (4)
22123001
quinary (5)
2331224
senary (6)
525345
septenary (7)
235313
nonary (9)
64502
undecimal (11)
2a089
duodecimal (12)
20855
tridecimal (13)
1657a
tetradecimal (14)
117b3
pentadecimal (15)
c9ae
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβχπθʹ
- Mayan (base 20)
- 𝋥·𝋦·𝋮·𝋩
- Chinese
- 四萬二千六百八十九
- Chinese (financial)
- 肆萬貳仟陸佰捌拾玖
In other modern scripts
Eastern Arabic
٤٢٦٨٩
Devanagari
४२६८९
Bengali
৪২৬৮৯
Tamil
௪௨௬௮௯
Thai
๔๒๖๘๙
Tibetan
༤༢༦༨༩
Khmer
៤២៦៨៩
Lao
໔໒໖໘໙
Burmese
၄၂၆၈၉
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,689 = 3
- e — Euler's number (e)
- Digit 42,689 = 9
- φ — Golden ratio (φ)
- Digit 42,689 = 4
- √2 — Pythagoras's (√2)
- Digit 42,689 = 5
- ln 2 — Natural log of 2
- Digit 42,689 = 4
- γ — Euler-Mascheroni (γ)
- Digit 42,689 = 9
Also seen as
Prime neighborhood
Unicode codepoint
ꛁ
Bamum Letter Yuq
U+A6C1
Other letter (Lo)
UTF-8 encoding: EA 9B 81 (3 bytes).
Hex color
#00A6C1
RGB(0, 166, 193)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.193.
- Address
- 0.0.166.193
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.166.193
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 42689 first appears in π at position 96,020 of the decimal expansion (the 96,020ordinal-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.