Number

30,011

30,011 is a prime, odd.

30,011 (thirty thousand eleven) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x753B.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Evil Number Prime Recamán's Sequence Squarefree Twin Prime

Interestingness

★ ★ ★ ★ ★

8 notable facts · grade A

29,999 30,000 30,001 30,002 30,003 30,004 30,005 30,006 30,007 30,008 30,009 30,010 30,011 30,012 30,013 30,014 30,015 30,016 30,017 30,018 30,019 30,020 30,021 30,022 30,023

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 5
Digit product: 0
Digital root: 5
Palindrome: No
Bit width: 15 bits
Reversed: 11,003
Recamán's sequence: a(161,229) = 30,011
Square (n²): 900,660,121
Cube (n³): 27,029,710,891,331
Divisor count: 2
σ(n) — sum of divisors: 30,012
φ(n) — Euler's totient: 30,010

Primality

30,011 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 30011

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 30,011)

1 × 30011

First multiples

30,011 · 60,022 (double) · 90,033 · 120,044 · 150,055 · 180,066 · 210,077 · 240,088 · 270,099 · 300,110

Sums & aliquot sequence

As consecutive integers: 15,005 + 15,006

Continued fraction of √n

√30,011 = [173; (4, 4, 2, 68, 1, 5, 1, 1, 4, 2, 1, 13, 5, 1, 9, 15, 1, 1, 1, 5, 49, 3, 7, 1, …)]

Representations

In words: thirty thousand eleven
Ordinal: 30011th
Binary: 111010100111011
Octal: 72473
Hexadecimal: 0x753B
Base64: dTs=
One's complement: 35,524 (16-bit)
Scientific notation: 3.0011 × 10⁴
As a duration: 30,011 s = 8 hours, 20 minutes, 11 seconds

In other bases

ternary (3) 1112011112

quaternary (4) 13110323

quinary (5) 1430021

senary (6) 350535

septenary (7) 153332

nonary (9) 45145

undecimal (11) 20603

duodecimal (12) 1544b

tridecimal (13) 10877

tetradecimal (14) ad19

pentadecimal (15) 8d5b

As an angle

30,011° = 83 × 360° + 131°

131° ≈ 2.286 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓎆𓏺
Greek (Milesian): ͵λιαʹ
Mayan (base 20): 𝋣·𝋯·𝋠·𝋫
Chinese: 三萬零一十一
Chinese (financial): 參萬零壹拾壹

In other modern scripts

Eastern Arabic ٣٠٠١١ Devanagari ३००११ Bengali ৩০০১১ Tamil ௩௦௦௧௧ Thai ๓๐๐๑๑ Tibetan ༣༠༠༡༡ Khmer ៣០០១១ Lao ໓໐໐໑໑ Burmese ၃၀၀၁၁

Digit at this position in famous constants

π — Pi (π): Digit 30,011 = 1
e — Euler's number (e): Digit 30,011 = 3
φ — Golden ratio (φ): Digit 30,011 = 5
√2 — Pythagoras's (√2): Digit 30,011 = 0
ln 2 — Natural log of 2: Digit 30,011 = 3
γ — Euler-Mascheroni (γ): Digit 30,011 = 8

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 29,989 (gap of 22)
Next prime: 30,013 (gap of 2)

Pair status: twin with 30013.

Unicode codepoint

画

CJK Unified Ideograph-753B

U+753B

Other letter (Lo)

UTF-8 encoding: E7 94 BB (3 bytes).

Lookup U+753B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00753B

RGB(0, 117, 59)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.117.59.

Address: 0.0.117.59
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.117.59

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

Position in π

The digit sequence 30011 first appears in π at position 322,892 of the decimal expansion (the 322,892ordinal-suffix:nd 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.

Look up 30011 on Pi Search ↗