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13,275

13,275 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

13,275 (thirteen thousand two hundred seventy-five) is an odd 5-digit number. It is a composite number with 18 divisors, and factors as 3² × 5² × 59. Written other ways, in hexadecimal, 0x33DB.

Cube-Free Deficient Number Evil Number Gapful Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
18
Digit product
210
Digital root
9
Palindrome
No
Bit width
14 bits
Reversed
57,231
Recamán's sequence
a(47,725) = 13,275
Square (n²)
176,225,625
Cube (n³)
2,339,395,171,875
Divisor count
18
σ(n) — sum of divisors
24,180
φ(n) — Euler's totient
6,960
Sum of prime factors
75

Primality

Prime factorization: 3 2 × 5 2 × 59

Nearest primes: 13,267 (−8) · 13,291 (+16)

Divisors & multiples

All divisors (18)
1 · 3 · 5 · 9 · 15 · 25 · 45 · 59 · 75 · 177 · 225 · 295 · 531 · 885 · 1475 · 2655 · 4425 · 13275
Aliquot sum (sum of proper divisors): 10,905
Factor pairs (a × b = 13,275)
1 × 13275
3 × 4425
5 × 2655
9 × 1475
15 × 885
25 × 531
45 × 295
59 × 225
75 × 177
First multiples
13,275 · 26,550 (double) · 39,825 · 53,100 · 66,375 · 79,650 · 92,925 · 106,200 · 119,475 · 132,750

Sums & aliquot sequence

As consecutive integers: 6,637 + 6,638 4,424 + 4,425 + 4,426 2,653 + 2,654 + 2,655 + 2,656 + 2,657 2,210 + 2,211 + 2,212 + 2,213 + 2,214 + 2,215
Aliquot sequence: 13,275 10,905 6,567 3,033 1,361 1 0 — terminates at zero

Continued fraction of √n

√13,275 = [115; (4, 1, 1, 1, 1, 8, 1, 1, 1, 1, 4, 230)]

Period length 12 — the block in parentheses repeats forever.

Representations

In words
thirteen thousand two hundred seventy-five
Ordinal
13275th
Binary
11001111011011
Octal
31733
Hexadecimal
0x33DB
Base64
M9s=
One's complement
52,260 (16-bit)
Scientific notation
1.3275 × 10⁴
As a duration
13,275 s = 3 hours, 41 minutes, 15 seconds
In other bases
ternary (3) 200012200
quaternary (4) 3033123
quinary (5) 411100
senary (6) 141243
septenary (7) 53463
nonary (9) 20180
undecimal (11) 9a79
duodecimal (12) 7823
tridecimal (13) 6072
tetradecimal (14) 4ba3
pentadecimal (15) 3e00

As an angle

13,275° = 36 × 360° + 315°
315° ≈ 5.498 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγσοεʹ
Mayan (base 20)
𝋡·𝋭·𝋣·𝋯
Chinese
一萬三千二百七十五
Chinese (financial)
壹萬參仟貳佰柒拾伍
In other modern scripts
Eastern Arabic ١٣٢٧٥ Devanagari १३२७५ Bengali ১৩২৭৫ Tamil ௧௩௨௭௫ Thai ๑๓๒๗๕ Tibetan ༡༣༢༧༥ Khmer ១៣២៧៥ Lao ໑໓໒໗໕ Burmese ၁၃၂၇၅

Digit at this position in famous constants

π — Pi (π)
Digit 13,275 = 6
e — Euler's number (e)
Digit 13,275 = 5
φ — Golden ratio (φ)
Digit 13,275 = 8
√2 — Pythagoras's (√2)
Digit 13,275 = 6
ln 2 — Natural log of 2
Digit 13,275 = 2
γ — Euler-Mascheroni (γ)
Digit 13,275 = 0

Also seen as

Unicode codepoint
Square Sr
U+33DB
Other symbol (So)

UTF-8 encoding: E3 8F 9B (3 bytes).

Hex color
#0033DB
RGB(0, 51, 219)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.219.

Address
0.0.51.219
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.219

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

Musical pitch

Heard as a frequency, 13,275 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, -2¢)
  • Scientific pitch (C4 = 256 Hz): G♯9 (13004 Hz, +36¢)
  • Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, -1¢)
Position in π

The digit sequence 13275 first appears in π at position 20,976 of the decimal expansion (the 20,976ordinal-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.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.