Number

12,149

12,149 is a prime, odd.

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

Properties

Parity: Odd
Digit count: 5
Digit sum: 17
Digit product: 72
Digital root: 8
Palindrome: No
Bit width: 14 bits
Reversed: 94,121
Recamán's sequence: a(22,486) = 12,149
Square (n²): 147,598,201
Cube (n³): 1,793,170,543,949
Divisor count: 2
σ(n) — sum of divisors: 12,150
φ(n) — Euler's totient: 12,148

Primality

12,149 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 12149

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 12,149)

1 × 12149

First multiples

12,149 · 24,298 (double) · 36,447 · 48,596 · 60,745 · 72,894 · 85,043 · 97,192 · 109,341 · 121,490

Sums & aliquot sequence

As a sum of two squares: 7² + 110²

As consecutive integers: 6,074 + 6,075

Representations

In words: twelve thousand one hundred forty-nine
Ordinal: 12149th
Binary: 10111101110101
Octal: 27565
Hexadecimal: 0x2F75
Base64: L3U=
One's complement: 53,386 (16-bit)

In other bases

ternary (3) 121122222

quaternary (4) 2331311

quinary (5) 342044

senary (6) 132125

septenary (7) 50264

nonary (9) 17588

undecimal (11) 9145

duodecimal (12) 7045

tridecimal (13) 56b7

tetradecimal (14) 45db

pentadecimal (15) 38ee

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ιβρμθʹ
Mayan (base 20): 𝋡·𝋪·𝋧·𝋩
Chinese: 一萬二千一百四十九
Chinese (financial): 壹萬貳仟壹佰肆拾玖

In other modern scripts

Eastern Arabic ١٢١٤٩ Devanagari १२१४९ Bengali ১২১৪৯ Tamil ௧௨௧௪௯ Thai ๑๒๑๔๙ Tibetan ༡༢༡༤༩ Khmer ១២១៤៩ Lao ໑໒໑໔໙ Burmese ၁၂၁၄၉

Digit at this position in famous constants

π — Pi (π): Digit 12,149 = 9
e — Euler's number (e): Digit 12,149 = 4
φ — Golden ratio (φ): Digit 12,149 = 1
√2 — Pythagoras's (√2): Digit 12,149 = 7
ln 2 — Natural log of 2: Digit 12,149 = 2
γ — Euler-Mascheroni (γ): Digit 12,149 = 9

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 12,143 (gap of 6)
Next prime: 12,157 (gap of 8)

Pair status: sexy with 12143.

Unicode codepoint

⽵

Kangxi Radical Bamboo

U+2F75

Other symbol (So)

UTF-8 encoding: E2 BD B5 (3 bytes).

Lookup U+2F75 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#002F75

RGB(0, 47, 117)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.47.117.

Address: 0.0.47.117
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.47.117

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

Position in π

The digit sequence 12149 first appears in π at position 54,245 of the decimal expansion (the 54,245ordinal-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.

Look up 12149 on Pi Search ↗