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Number

42,841

42,841 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digit product
256
Digital root
1
Palindrome
No
Bit width
16 bits
Reversed
14,824
Recamán's sequence
a(72,910) = 42,841
Square (n²)
1,835,351,281
Cube (n³)
78,628,284,229,321
Divisor count
2
σ(n) — sum of divisors
42,842
φ(n) — Euler's totient
42,840

Primality

42,841 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42841
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,841)
1 × 42841
First multiples
42,841 · 85,682 (double) · 128,523 · 171,364 · 214,205 · 257,046 · 299,887 · 342,728 · 385,569 · 428,410

Sums & aliquot sequence

As a sum of two squares: 35² + 204²
As consecutive integers: 21,420 + 21,421

Representations

In words
forty-two thousand eight hundred forty-one
Ordinal
42841st
Binary
1010011101011001
Octal
123531
Hexadecimal
0xA759
Base64
p1k=
One's complement
22,694 (16-bit)
In other bases
ternary (3) 2011202201
quaternary (4) 22131121
quinary (5) 2332331
senary (6) 530201
septenary (7) 235621
nonary (9) 64681
undecimal (11) 2a207
duodecimal (12) 20961
tridecimal (13) 16666
tetradecimal (14) 11881
pentadecimal (15) ca61

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵μβωμαʹ
Mayan (base 20)
𝋥·𝋧·𝋢·𝋡
Chinese
四萬二千八百四十一
Chinese (financial)
肆萬貳仟捌佰肆拾壹
In other modern scripts
Eastern Arabic ٤٢٨٤١ Devanagari ४२८४१ Bengali ৪২৮৪১ Tamil ௪௨௮௪௧ Thai ๔๒๘๔๑ Tibetan ༤༢༨༤༡ Khmer ៤២៨៤១ Lao ໔໒໘໔໑ Burmese ၄၂၈၄၁

Digit at this position in famous constants

π — Pi (π)
Digit 42,841 = 0
e — Euler's number (e)
Digit 42,841 = 5
φ — Golden ratio (φ)
Digit 42,841 = 4
√2 — Pythagoras's (√2)
Digit 42,841 = 6
ln 2 — Natural log of 2
Digit 42,841 = 0
γ — Euler-Mascheroni (γ)
Digit 42,841 = 2

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,839 (gap of 2)
  • Next prime: 42,853 (gap of 12)

Pair status: twin with 42839.

Unicode codepoint
Latin Small Letter Q With Diagonal Stroke
U+A759
Lowercase letter (Ll)

UTF-8 encoding: EA 9D 99 (3 bytes).

Hex color
#00A759
RGB(0, 167, 89)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.89.

Address
0.0.167.89
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.167.89

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 42841 first appears in π at position 43,963 of the decimal expansion (the 43,963ordinal-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.