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Number

47,149

47,149 is a prime, odd.

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

Properties

Parity
Odd
Digit count
5
Digit sum
25
Digit product
1,008
Digital root
7
Palindrome
No
Bit width
16 bits
Reversed
94,174
Recamán's sequence
a(147,909) = 47,149
Square (n²)
2,223,028,201
Cube (n³)
104,813,556,648,949
Divisor count
2
σ(n) — sum of divisors
47,150
φ(n) — Euler's totient
47,148

Primality

47,149 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 47149
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 47,149)
1 × 47149
First multiples
47,149 · 94,298 (double) · 141,447 · 188,596 · 235,745 · 282,894 · 330,043 · 377,192 · 424,341 · 471,490

Sums & aliquot sequence

As a sum of two squares: 150² + 157²
As consecutive integers: 23,574 + 23,575

Representations

In words
forty-seven thousand one hundred forty-nine
Ordinal
47149th
Binary
1011100000101101
Octal
134055
Hexadecimal
0xB82D
Base64
uC0=
One's complement
18,386 (16-bit)
In other bases
ternary (3) 2101200021
quaternary (4) 23200231
quinary (5) 3002044
senary (6) 1002141
septenary (7) 254314
nonary (9) 71607
undecimal (11) 32473
duodecimal (12) 23351
tridecimal (13) 185cb
tetradecimal (14) 1327b
pentadecimal (15) de84

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μζρμθʹ
Mayan (base 20)
𝋥·𝋱·𝋱·𝋩
Chinese
四萬七千一百四十九
Chinese (financial)
肆萬柒仟壹佰肆拾玖
In other modern scripts
Eastern Arabic ٤٧١٤٩ Devanagari ४७१४९ Bengali ৪৭১৪৯ Tamil ௪௭௧௪௯ Thai ๔๗๑๔๙ Tibetan ༤༧༡༤༩ Khmer ៤៧១៤៩ Lao ໔໗໑໔໙ Burmese ၄၇၁၄၉

Digit at this position in famous constants

π — Pi (π)
Digit 47,149 = 7
e — Euler's number (e)
Digit 47,149 = 8
φ — Golden ratio (φ)
Digit 47,149 = 6
√2 — Pythagoras's (√2)
Digit 47,149 = 2
ln 2 — Natural log of 2
Digit 47,149 = 7
γ — Euler-Mascheroni (γ)
Digit 47,149 = 0

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 47,147 (gap of 2)
  • Next prime: 47,161 (gap of 12)

Pair status: twin with 47147.

Unicode codepoint
Hangul Syllable Ryeolg
U+B82D
Other letter (Lo)

UTF-8 encoding: EB A0 AD (3 bytes).

Hex color
#00B82D
RGB(0, 184, 45)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.184.45.

Address
0.0.184.45
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.184.45

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

Position in π

The digit sequence 47149 first appears in π at position 101,635 of the decimal expansion (the 101,635ordinal-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.