Number

12,841

12,841 is a prime, odd.

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

Properties

Parity: Odd
Digit count: 5
Digit sum: 16
Digit product: 64
Digital root: 7
Palindrome: No
Bit width: 14 bits
Reversed: 14,821
Recamán's sequence: a(48,593) = 12,841
Square (n²): 164,891,281
Cube (n³): 2,117,368,939,321
Divisor count: 2
σ(n) — sum of divisors: 12,842
φ(n) — Euler's totient: 12,840

Primality

12,841 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 12841

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 12,841)

1 × 12841

First multiples

12,841 · 25,682 (double) · 38,523 · 51,364 · 64,205 · 77,046 · 89,887 · 102,728 · 115,569 · 128,410

Sums & aliquot sequence

As a sum of two squares: 45² + 104²

As consecutive integers: 6,420 + 6,421

Representations

In words: twelve thousand eight hundred forty-one
Ordinal: 12841st
Binary: 11001000101001
Octal: 31051
Hexadecimal: 0x3229
Base64: Mik=
One's complement: 52,694 (16-bit)

In other bases

ternary (3) 122121121

quaternary (4) 3020221

quinary (5) 402331

senary (6) 135241

septenary (7) 52303

nonary (9) 18547

undecimal (11) 9714

duodecimal (12) 7521

tridecimal (13) 5aca

tetradecimal (14) 4973

pentadecimal (15) 3c11

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵ιβωμαʹ
Mayan (base 20): 𝋡·𝋬·𝋢·𝋡
Chinese: 一萬二千八百四十一
Chinese (financial): 壹萬貳仟捌佰肆拾壹

In other modern scripts

Eastern Arabic ١٢٨٤١ Devanagari १२८४१ Bengali ১২৮৪১ Tamil ௧௨௮௪௧ Thai ๑๒๘๔๑ Tibetan ༡༢༨༤༡ Khmer ១២៨៤១ Lao ໑໒໘໔໑ Burmese ၁၂၈၄၁

Digit at this position in famous constants

π — Pi (π): Digit 12,841 = 6
e — Euler's number (e): Digit 12,841 = 7
φ — Golden ratio (φ): Digit 12,841 = 8
√2 — Pythagoras's (√2): Digit 12,841 = 1
ln 2 — Natural log of 2: Digit 12,841 = 2
γ — Euler-Mascheroni (γ): Digit 12,841 = 1

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 12,829 (gap of 12)
Next prime: 12,853 (gap of 12)

Unicode codepoint

㈩

Parenthesized Ideograph Ten

U+3229

Other number (No)

UTF-8 encoding: E3 88 A9 (3 bytes).

Lookup U+3229 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#003229

RGB(0, 50, 41)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.50.41.

Address: 0.0.50.41
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.50.41

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

Position in π

The digit sequence 12841 first appears in π at position 142,812 of the decimal expansion (the 142,812ordinal-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 12841 on Pi Search ↗