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Number

55,109

55,109 is a prime, odd.

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

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
16 bits
Reversed
90,155
Recamán's sequence
a(141,337) = 55,109
Square (n²)
3,037,001,881
Cube (n³)
167,366,136,660,029
Divisor count
2
σ(n) — sum of divisors
55,110
φ(n) — Euler's totient
55,108

Primality

55,109 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55109
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,109)
1 × 55109
First multiples
55,109 · 110,218 (double) · 165,327 · 220,436 · 275,545 · 330,654 · 385,763 · 440,872 · 495,981 · 551,090

Sums & aliquot sequence

As a sum of two squares: 47² + 230²
As consecutive integers: 27,554 + 27,555

Representations

In words
fifty-five thousand one hundred nine
Ordinal
55109th
Binary
1101011101000101
Octal
153505
Hexadecimal
0xD745
Base64
10U=
One's complement
10,426 (16-bit)
In other bases
ternary (3) 2210121002
quaternary (4) 31131011
quinary (5) 3230414
senary (6) 1103045
septenary (7) 316445
nonary (9) 83532
undecimal (11) 3844a
duodecimal (12) 27a85
tridecimal (13) 1c112
tetradecimal (14) 16125
pentadecimal (15) 114de

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵νερθʹ
Mayan (base 20)
𝋦·𝋱·𝋯·𝋩
Chinese
五萬五千一百零九
Chinese (financial)
伍萬伍仟壹佰零玖
In other modern scripts
Eastern Arabic ٥٥١٠٩ Devanagari ५५१०९ Bengali ৫৫১০৯ Tamil ௫௫௧௦௯ Thai ๕๕๑๐๙ Tibetan ༥༥༡༠༩ Khmer ៥៥១០៩ Lao ໕໕໑໐໙ Burmese ၅၅၁၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 55,109 = 0
e — Euler's number (e)
Digit 55,109 = 1
φ — Golden ratio (φ)
Digit 55,109 = 2
√2 — Pythagoras's (√2)
Digit 55,109 = 8
ln 2 — Natural log of 2
Digit 55,109 = 9
γ — Euler-Mascheroni (γ)
Digit 55,109 = 4

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,103 (gap of 6)
  • Next prime: 55,117 (gap of 8)

Pair status: sexy with 55103.

Unicode codepoint
Hangul Syllable Hyub
U+D745
Other letter (Lo)

UTF-8 encoding: ED 9D 85 (3 bytes).

Hex color
#00D745
RGB(0, 215, 69)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.69.

Address
0.0.215.69
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.215.69

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

Position in π

The digit sequence 55109 first appears in π at position 73,464 of the decimal expansion (the 73,464ordinal-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.