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Number

66,041

66,041 is a prime, odd.

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

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
14,066
Recamán's sequence
a(16,025) = 66,041
Square (n²)
4,361,413,681
Cube (n³)
288,032,120,906,921
Divisor count
2
σ(n) — sum of divisors
66,042
φ(n) — Euler's totient
66,040

Primality

66,041 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 66041
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 66,041)
1 × 66041
First multiples
66,041 · 132,082 (double) · 198,123 · 264,164 · 330,205 · 396,246 · 462,287 · 528,328 · 594,369 · 660,410

Sums & aliquot sequence

As a sum of two squares: 104² + 235²
As consecutive integers: 33,020 + 33,021

Representations

In words
sixty-six thousand forty-one
Ordinal
66041st
Binary
10000000111111001
Octal
200771
Hexadecimal
0x101F9
Base64
AQH5
One's complement
4,294,901,254 (32-bit)
In other bases
ternary (3) 10100120222
quaternary (4) 100013321
quinary (5) 4103131
senary (6) 1225425
septenary (7) 363353
nonary (9) 110528
undecimal (11) 45688
duodecimal (12) 32275
tridecimal (13) 240a1
tetradecimal (14) 1a0d3
pentadecimal (15) 1487b

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ξϛμαʹ
Mayan (base 20)
𝋨·𝋥·𝋢·𝋡
Chinese
六萬六千零四十一
Chinese (financial)
陸萬陸仟零肆拾壹
In other modern scripts
Eastern Arabic ٦٦٠٤١ Devanagari ६६०४१ Bengali ৬৬০৪১ Tamil ௬௬௦௪௧ Thai ๖๖๐๔๑ Tibetan ༦༦༠༤༡ Khmer ៦៦០៤១ Lao ໖໖໐໔໑ Burmese ၆၆၀၄၁

Digit at this position in famous constants

π — Pi (π)
Digit 66,041 = 9
e — Euler's number (e)
Digit 66,041 = 6
φ — Golden ratio (φ)
Digit 66,041 = 9
√2 — Pythagoras's (√2)
Digit 66,041 = 3
ln 2 — Natural log of 2
Digit 66,041 = 8
γ — Euler-Mascheroni (γ)
Digit 66,041 = 6

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 66,037 (gap of 4)
  • Next prime: 66,047 (gap of 6)

Pair status: cousin with 66037, sexy with 66047.

Unicode codepoint
𐇹
Phaistos Disc Sign Grater
U+101F9
Other symbol (So)

UTF-8 encoding: F0 90 87 B9 (4 bytes).

Hex color
#0101F9
RGB(1, 1, 249)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.1.249.

Address
0.1.1.249
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.1.249

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

Position in π

The digit sequence 66041 first appears in π at position 7,844 of the decimal expansion (the 7,844ordinal-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.