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13,149

13,149 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.).

13,149 (thirteen thousand one hundred forty-nine) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 3³ × 487. Written other ways, in hexadecimal, 0x335D.

Arithmetic Number Deficient Number Odious Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
18
Digit product
108
Digital root
9
Palindrome
No
Bit width
14 bits
Reversed
94,131
Recamán's sequence
a(47,977) = 13,149
Square (n²)
172,896,201
Cube (n³)
2,273,412,146,949
Divisor count
8
σ(n) — sum of divisors
19,520
φ(n) — Euler's totient
8,748
Sum of prime factors
496

Primality

Prime factorization: 3 3 × 487

Nearest primes: 13,147 (−2) · 13,151 (+2)

Divisors & multiples

All divisors (8)
1 · 3 · 9 · 27 · 487 · 1461 · 4383 · 13149
Aliquot sum (sum of proper divisors): 6,371
Factor pairs (a × b = 13,149)
1 × 13149
3 × 4383
9 × 1461
27 × 487
First multiples
13,149 · 26,298 (double) · 39,447 · 52,596 · 65,745 · 78,894 · 92,043 · 105,192 · 118,341 · 131,490

Sums & aliquot sequence

As consecutive integers: 6,574 + 6,575 4,382 + 4,383 + 4,384 2,189 + 2,190 + 2,191 + 2,192 + 2,193 + 2,194 1,457 + 1,458 + … + 1,465
Aliquot sequence: 13,149 6,371 301 51 21 11 1 0 — terminates at zero

Continued fraction of √n

√13,149 = [114; (1, 2, 45, 1, 1, 6, 1, 8, 3, 3, 1, 5, 1, 1, 1, 1, 20, 4, 8, 4, 20, 1, 1, 1, …)]

Period length 38 — the block in parentheses repeats forever.

Representations

In words
thirteen thousand one hundred forty-nine
Ordinal
13149th
Binary
11001101011101
Octal
31535
Hexadecimal
0x335D
Base64
M10=
One's complement
52,386 (16-bit)
Scientific notation
1.3149 × 10⁴
As a duration
13,149 s = 3 hours, 39 minutes, 9 seconds
In other bases
ternary (3) 200001000
quaternary (4) 3031131
quinary (5) 410044
senary (6) 140513
septenary (7) 53223
nonary (9) 20030
undecimal (11) 9974
duodecimal (12) 7739
tridecimal (13) 5ca6
tetradecimal (14) 4b13
pentadecimal (15) 3d69

As an angle

13,149° = 36 × 360° + 189°
189° ≈ 3.299 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγρμθʹ
Mayan (base 20)
𝋡·𝋬·𝋱·𝋩
Chinese
一萬三千一百四十九
Chinese (financial)
壹萬參仟壹佰肆拾玖
In other modern scripts
Eastern Arabic ١٣١٤٩ Devanagari १३१४९ Bengali ১৩১৪৯ Tamil ௧௩௧௪௯ Thai ๑๓๑๔๙ Tibetan ༡༣༡༤༩ Khmer ១៣១៤៩ Lao ໑໓໑໔໙ Burmese ၁၃၁၄၉

Digit at this position in famous constants

π — Pi (π)
Digit 13,149 = 0
e — Euler's number (e)
Digit 13,149 = 7
φ — Golden ratio (φ)
Digit 13,149 = 5
√2 — Pythagoras's (√2)
Digit 13,149 = 7
ln 2 — Natural log of 2
Digit 13,149 = 0
γ — Euler-Mascheroni (γ)
Digit 13,149 = 9

Also seen as

Unicode codepoint
Ideographic Telegraph Symbol For Hour Five
U+335D
Other symbol (So)

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

Hex color
#00335D
RGB(0, 51, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.93.

Address
0.0.51.93
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.51.93

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

Musical pitch

Heard as a frequency, 13,149 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, -18¢)
  • Scientific pitch (C4 = 256 Hz): G♯9 (13004 Hz, +19¢)
  • Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, -17¢)
Position in π

The digit sequence 13149 first appears in π at position 6,177 of the decimal expansion (the 6,177ordinal-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°.