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Number

40,471

40,471 is a prime, odd.

40,471 (forty thousand four hundred seventy-one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x9E17.

Arithmetic Number Balanced Prime Cube-Free Deficient Number Happy Number Lazy Caterer Number Odious Number Prime Recamán's Sequence Squarefree

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
16 bits
Reversed
17,404
Recamán's sequence
a(153,237) = 40,471
Square (n²)
1,637,901,841
Cube (n³)
66,287,525,407,111
Divisor count
2
σ(n) — sum of divisors
40,472
φ(n) — Euler's totient
40,470

Primality

40,471 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 40471
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 40,471)
1 × 40471
First multiples
40,471 · 80,942 (double) · 121,413 · 161,884 · 202,355 · 242,826 · 283,297 · 323,768 · 364,239 · 404,710

Sums & aliquot sequence

As consecutive integers: 20,235 + 20,236

Continued fraction of √n

√40,471 = [201; (5, 1, 2, 1, 12, 1, 2, 18, 1, 4, 2, 21, 1, 8, 1, 6, 26, 1, 2, 9, 4, 7, 1, 4, …)]

Representations

In words
forty thousand four hundred seventy-one
Ordinal
40471st
Binary
1001111000010111
Octal
117027
Hexadecimal
0x9E17
Base64
nhc=
One's complement
25,064 (16-bit)
Scientific notation
4.0471 × 10⁴
As a duration
40,471 s = 11 hours, 14 minutes, 31 seconds
In other bases
ternary (3) 2001111221
quaternary (4) 21320113
quinary (5) 2243341
senary (6) 511211
septenary (7) 225664
nonary (9) 61457
undecimal (11) 28452
duodecimal (12) 1b507
tridecimal (13) 15562
tetradecimal (14) 10a6b
pentadecimal (15) bed1

As an angle

40,471° = 112 × 360° + 151°
151° ≈ 2.635 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵μυοαʹ
Mayan (base 20)
𝋥·𝋡·𝋣·𝋫
Chinese
四萬零四百七十一
Chinese (financial)
肆萬零肆佰柒拾壹
In other modern scripts
Eastern Arabic ٤٠٤٧١ Devanagari ४०४७१ Bengali ৪০৪৭১ Tamil ௪௦௪௭௧ Thai ๔๐๔๗๑ Tibetan ༤༠༤༧༡ Khmer ៤០៤៧១ Lao ໔໐໔໗໑ Burmese ၄၀၄၇၁

Digit at this position in famous constants

π — Pi (π)
Digit 40,471 = 6
e — Euler's number (e)
Digit 40,471 = 9
φ — Golden ratio (φ)
Digit 40,471 = 1
√2 — Pythagoras's (√2)
Digit 40,471 = 1
ln 2 — Natural log of 2
Digit 40,471 = 2
γ — Euler-Mascheroni (γ)
Digit 40,471 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 40,459 (gap of 12)
  • Next prime: 40,483 (gap of 12)
Unicode codepoint
CJK Unified Ideograph-9E17
U+9E17
Other letter (Lo)

UTF-8 encoding: E9 B8 97 (3 bytes).

Hex color
#009E17
RGB(0, 158, 23)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.158.23.

Address
0.0.158.23
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.158.23

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

Position in π

The digit sequence 40471 first appears in π at position 360,158 of the decimal expansion (the 360,158ordinal-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.

Related reading

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.