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Number

55,243

55,243 is a prime, odd.

Arithmetic Number Deficient Number Happy Number Odious Number Pernicious Number Prime Recamán's Sequence Self Number Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digit product
600
Digital root
1
Palindrome
No
Bit width
16 bits
Reversed
34,255
Recamán's sequence
a(141,069) = 55,243
Square (n²)
3,051,789,049
Cube (n³)
168,589,982,433,907
Divisor count
2
σ(n) — sum of divisors
55,244
φ(n) — Euler's totient
55,242

Primality

55,243 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55243
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,243)
1 × 55243
First multiples
55,243 · 110,486 (double) · 165,729 · 220,972 · 276,215 · 331,458 · 386,701 · 441,944 · 497,187 · 552,430

Sums & aliquot sequence

As consecutive integers: 27,621 + 27,622

Representations

In words
fifty-five thousand two hundred forty-three
Ordinal
55243rd
Binary
1101011111001011
Octal
153713
Hexadecimal
0xD7CB
Base64
18s=
One's complement
10,292 (16-bit)
In other bases
ternary (3) 2210210001
quaternary (4) 31133023
quinary (5) 3231433
senary (6) 1103431
septenary (7) 320026
nonary (9) 83701
undecimal (11) 38561
duodecimal (12) 27b77
tridecimal (13) 1c1b6
tetradecimal (14) 161bd
pentadecimal (15) 1157d

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵νεσμγʹ
Mayan (base 20)
𝋦·𝋲·𝋢·𝋣
Chinese
五萬五千二百四十三
Chinese (financial)
伍萬伍仟貳佰肆拾參
In other modern scripts
Eastern Arabic ٥٥٢٤٣ Devanagari ५५२४३ Bengali ৫৫২৪৩ Tamil ௫௫௨௪௩ Thai ๕๕๒๔๓ Tibetan ༥༥༢༤༣ Khmer ៥៥២៤៣ Lao ໕໕໒໔໓ Burmese ၅၅၂၄၃

Digit at this position in famous constants

π — Pi (π)
Digit 55,243 = 2
e — Euler's number (e)
Digit 55,243 = 5
φ — Golden ratio (φ)
Digit 55,243 = 7
√2 — Pythagoras's (√2)
Digit 55,243 = 3
ln 2 — Natural log of 2
Digit 55,243 = 4
γ — Euler-Mascheroni (γ)
Digit 55,243 = 6

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,229 (gap of 14)
  • Next prime: 55,249 (gap of 6)

Pair status: sexy with 55249.

Unicode codepoint
Hangul Jongseong Nieun-Rieul
U+D7CB
Other letter (Lo)

UTF-8 encoding: ED 9F 8B (3 bytes).

Hex color
#00D7CB
RGB(0, 215, 203)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.203.

Address
0.0.215.203
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.215.203

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

Position in π

The digit sequence 55243 first appears in π at position 194,913 of the decimal expansion (the 194,913ordinal-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.