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Number

12,197

12,197 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digit product
126
Digital root
2
Palindrome
No
Bit width
14 bits
Reversed
79,121
Recamán's sequence
a(22,390) = 12,197
Square (n²)
148,766,809
Cube (n³)
1,814,508,769,373
Divisor count
2
σ(n) — sum of divisors
12,198
φ(n) — Euler's totient
12,196

Primality

12,197 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 12197
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 12,197)
1 × 12197
First multiples
12,197 · 24,394 (double) · 36,591 · 48,788 · 60,985 · 73,182 · 85,379 · 97,576 · 109,773 · 121,970

Sums & aliquot sequence

As a sum of two squares: 31² + 106²
As consecutive integers: 6,098 + 6,099

Representations

In words
twelve thousand one hundred ninety-seven
Ordinal
12197th
Binary
10111110100101
Octal
27645
Hexadecimal
0x2FA5
Base64
L6U=
One's complement
53,338 (16-bit)
In other bases
ternary (3) 121201202
quaternary (4) 2332211
quinary (5) 342242
senary (6) 132245
septenary (7) 50363
nonary (9) 17652
undecimal (11) 9189
duodecimal (12) 7085
tridecimal (13) 5723
tetradecimal (14) 4633
pentadecimal (15) 3932

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιβρϟζʹ
Mayan (base 20)
𝋡·𝋪·𝋩·𝋱
Chinese
一萬二千一百九十七
Chinese (financial)
壹萬貳仟壹佰玖拾柒
In other modern scripts
Eastern Arabic ١٢١٩٧ Devanagari १२१९७ Bengali ১২১৯৭ Tamil ௧௨௧௯௭ Thai ๑๒๑๙๗ Tibetan ༡༢༡༩༧ Khmer ១២១៩៧ Lao ໑໒໑໙໗ Burmese ၁၂၁၉၇

Digit at this position in famous constants

π — Pi (π)
Digit 12,197 = 9
e — Euler's number (e)
Digit 12,197 = 9
φ — Golden ratio (φ)
Digit 12,197 = 1
√2 — Pythagoras's (√2)
Digit 12,197 = 4
ln 2 — Natural log of 2
Digit 12,197 = 5
γ — Euler-Mascheroni (γ)
Digit 12,197 = 8

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 12,163 (gap of 34)
  • Next prime: 12,203 (gap of 6)

Pair status: sexy with 12203.

Unicode codepoint
Kangxi Radical Village
U+2FA5
Other symbol (So)

UTF-8 encoding: E2 BE A5 (3 bytes).

Hex color
#002FA5
RGB(0, 47, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.47.165.

Address
0.0.47.165
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.47.165

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

Position in π

The digit sequence 12197 first appears in π at position 76,282 of the decimal expansion (the 76,282ordinal-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.