Number
42,641
42,641 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 17
- Digit product
- 192
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 14,624
- Recamán's sequence
- a(73,310) = 42,641
- Square (n²)
- 1,818,254,881
- Cube (n³)
- 77,532,206,380,721
- Divisor count
- 2
- σ(n) — sum of divisors
- 42,642
- φ(n) — Euler's totient
- 42,640
Primality
42,641 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
42,641
·
85,282
(double)
·
127,923
·
170,564
·
213,205
·
255,846
·
298,487
·
341,128
·
383,769
·
426,410
Sums & aliquot sequence
As a sum of two squares:
65² + 196²
As consecutive integers:
21,320 + 21,321
Representations
- In words
- forty-two thousand six hundred forty-one
- Ordinal
- 42641st
- Binary
- 1010011010010001
- Octal
- 123221
- Hexadecimal
- 0xA691
- Base64
- ppE=
- One's complement
- 22,894 (16-bit)
In other bases
ternary (3)
2011111022
quaternary (4)
22122101
quinary (5)
2331031
senary (6)
525225
septenary (7)
235214
nonary (9)
64438
undecimal (11)
2a045
duodecimal (12)
20815
tridecimal (13)
16541
tetradecimal (14)
1177b
pentadecimal (15)
c97b
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵μβχμαʹ
- Mayan (base 20)
- 𝋥·𝋦·𝋬·𝋡
- Chinese
- 四萬二千六百四十一
- Chinese (financial)
- 肆萬貳仟陸佰肆拾壹
In other modern scripts
Eastern Arabic
٤٢٦٤١
Devanagari
४२६४१
Bengali
৪২৬৪১
Tamil
௪௨௬௪௧
Thai
๔๒๖๔๑
Tibetan
༤༢༦༤༡
Khmer
៤២៦៤១
Lao
໔໒໖໔໑
Burmese
၄၂၆၄၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,641 = 8
- e — Euler's number (e)
- Digit 42,641 = 6
- φ — Golden ratio (φ)
- Digit 42,641 = 1
- √2 — Pythagoras's (√2)
- Digit 42,641 = 3
- ln 2 — Natural log of 2
- Digit 42,641 = 2
- γ — Euler-Mascheroni (γ)
- Digit 42,641 = 1
Also seen as
Prime neighborhood
Unicode codepoint
ꚑ
Cyrillic Small Letter Tsse
U+A691
Lowercase letter (Ll)
UTF-8 encoding: EA 9A 91 (3 bytes).
Hex color
#00A691
RGB(0, 166, 145)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.145.
- Address
- 0.0.166.145
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.166.145
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 42641 first appears in π at position 22,739 of the decimal expansion (the 22,739ordinal-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.