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Number

13,109

13,109 is a prime, odd.

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

Properties

Parity
Odd
Digit count
5
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
14 bits
Reversed
90,131
Recamán's sequence
a(48,057) = 13,109
Square (n²)
171,845,881
Cube (n³)
2,252,727,654,029
Divisor count
2
σ(n) — sum of divisors
13,110
φ(n) — Euler's totient
13,108

Primality

13,109 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 13109
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 13,109)
1 × 13109
First multiples
13,109 · 26,218 (double) · 39,327 · 52,436 · 65,545 · 78,654 · 91,763 · 104,872 · 117,981 · 131,090

Sums & aliquot sequence

As a sum of two squares: 50² + 103²
As consecutive integers: 6,554 + 6,555

Representations

In words
thirteen thousand one hundred nine
Ordinal
13109th
Binary
11001100110101
Octal
31465
Hexadecimal
0x3335
Base64
MzU=
One's complement
52,426 (16-bit)
In other bases
ternary (3) 122222112
quaternary (4) 3030311
quinary (5) 404414
senary (6) 140405
septenary (7) 53135
nonary (9) 18875
undecimal (11) 9938
duodecimal (12) 7705
tridecimal (13) 5c75
tetradecimal (14) 4ac5
pentadecimal (15) 3d3e

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγρθʹ
Mayan (base 20)
𝋡·𝋬·𝋯·𝋩
Chinese
一萬三千一百零九
Chinese (financial)
壹萬參仟壹佰零玖
In other modern scripts
Eastern Arabic ١٣١٠٩ Devanagari १३१०९ Bengali ১৩১০৯ Tamil ௧௩௧௦௯ Thai ๑๓๑๐๙ Tibetan ༡༣༡༠༩ Khmer ១៣១០៩ Lao ໑໓໑໐໙ Burmese ၁၃၁၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 13,109 = 5
e — Euler's number (e)
Digit 13,109 = 1
φ — Golden ratio (φ)
Digit 13,109 = 4
√2 — Pythagoras's (√2)
Digit 13,109 = 3
ln 2 — Natural log of 2
Digit 13,109 = 4
γ — Euler-Mascheroni (γ)
Digit 13,109 = 5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 13,103 (gap of 6)
  • Next prime: 13,121 (gap of 12)

Pair status: sexy with 13103.

Unicode codepoint
Square Huran
U+3335
Other symbol (So)

UTF-8 encoding: E3 8C B5 (3 bytes).

Hex color
#003335
RGB(0, 51, 53)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.53.

Address
0.0.51.53
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.53

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

Position in π

The digit sequence 13109 first appears in π at position 170,720 of the decimal expansion (the 170,720ordinal-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.