number.wiki
Number

42,223

42,223 is a prime, odd.

Arithmetic Number Cousin Prime Deficient Number Evil Number Prime Recamán's Sequence Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
96
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
32,224
Recamán's sequence
a(151,177) = 42,223
Square (n²)
1,782,781,729
Cube (n³)
75,274,392,943,567
Divisor count
2
σ(n) — sum of divisors
42,224
φ(n) — Euler's totient
42,222

Primality

42,223 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42223
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,223)
1 × 42223
First multiples
42,223 · 84,446 (double) · 126,669 · 168,892 · 211,115 · 253,338 · 295,561 · 337,784 · 380,007 · 422,230

Sums & aliquot sequence

As consecutive integers: 21,111 + 21,112

Representations

In words
forty-two thousand two hundred twenty-three
Ordinal
42223rd
Binary
1010010011101111
Octal
122357
Hexadecimal
0xA4EF
Base64
pO8=
One's complement
23,312 (16-bit)
In other bases
ternary (3) 2010220211
quaternary (4) 22103233
quinary (5) 2322343
senary (6) 523251
septenary (7) 234046
nonary (9) 63824
undecimal (11) 297a5
duodecimal (12) 20527
tridecimal (13) 162ac
tetradecimal (14) 1155d
pentadecimal (15) c79d

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵μβσκγʹ
Mayan (base 20)
𝋥·𝋥·𝋫·𝋣
Chinese
四萬二千二百二十三
Chinese (financial)
肆萬貳仟貳佰貳拾參
In other modern scripts
Eastern Arabic ٤٢٢٢٣ Devanagari ४२२२३ Bengali ৪২২২৩ Tamil ௪௨௨௨௩ Thai ๔๒๒๒๓ Tibetan ༤༢༢༢༣ Khmer ៤២២២៣ Lao ໔໒໒໒໓ Burmese ၄၂၂၂၃

Digit at this position in famous constants

π — Pi (π)
Digit 42,223 = 4
e — Euler's number (e)
Digit 42,223 = 4
φ — Golden ratio (φ)
Digit 42,223 = 0
√2 — Pythagoras's (√2)
Digit 42,223 = 0
ln 2 — Natural log of 2
Digit 42,223 = 5
γ — Euler-Mascheroni (γ)
Digit 42,223 = 2

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,221 (gap of 2)
  • Next prime: 42,227 (gap of 4)

Pair status: twin with 42221, cousin with 42227.

Unicode codepoint
Lisu Letter Ae
U+A4EF
Other letter (Lo)

UTF-8 encoding: EA 93 AF (3 bytes).

Hex color
#00A4EF
RGB(0, 164, 239)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.239.

Address
0.0.164.239
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.239

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

Position in π

The digit sequence 42223 first appears in π at position 93,444 of the decimal expansion (the 93,444ordinal-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.