number.wiki
Live analysis

16,009

16,009 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Arithmetic Number Deficient Number Evil Number Flippable Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
14 bits
Reversed
90,061
Flips to (rotate 180°)
60,091
Recamán's sequence
a(45,297) = 16,009
Square (n²)
256,288,081
Cube (n³)
4,102,915,888,729
Divisor count
4
σ(n) — sum of divisors
18,304
φ(n) — Euler's totient
13,716
Sum of prime factors
2,294

Primality

Prime factorization: 7 × 2287

Nearest primes: 16,007 (−2) · 16,033 (+24)

Divisors & multiples

All divisors (4)
1 · 7 · 2287 · 16009
Aliquot sum (sum of proper divisors): 2,295
Factor pairs (a × b = 16,009)
1 × 16009
7 × 2287
First multiples
16,009 · 32,018 (double) · 48,027 · 64,036 · 80,045 · 96,054 · 112,063 · 128,072 · 144,081 · 160,090

Sums & aliquot sequence

As consecutive integers: 8,004 + 8,005 2,284 + 2,285 + … + 2,290 1,137 + 1,138 + … + 1,150
Aliquot sequence: 16,009 2,295 2,025 1,726 866 436 334 170 154 134 70 74 40 50 43 1 0 — terminates at zero

Representations

In words
sixteen thousand nine
Ordinal
16009th
Binary
11111010001001
Octal
37211
Hexadecimal
0x3E89
Base64
Pok=
One's complement
49,526 (16-bit)
In other bases
ternary (3) 210221221
quaternary (4) 3322021
quinary (5) 1003014
senary (6) 202041
septenary (7) 64450
nonary (9) 23857
undecimal (11) 11034
duodecimal (12) 9321
tridecimal (13) 7396
tetradecimal (14) 5b97
pentadecimal (15) 4b24

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιϛθʹ
Mayan (base 20)
𝋢·𝋠·𝋠·𝋩
Chinese
一萬六千零九
Chinese (financial)
壹萬陸仟零玖
In other modern scripts
Eastern Arabic ١٦٠٠٩ Devanagari १६००९ Bengali ১৬০০৯ Tamil ௧௬௦௦௯ Thai ๑๖๐๐๙ Tibetan ༡༦༠༠༩ Khmer ១៦០០៩ Lao ໑໖໐໐໙ Burmese ၁၆၀၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 16,009 = 3
e — Euler's number (e)
Digit 16,009 = 8
φ — Golden ratio (φ)
Digit 16,009 = 5
√2 — Pythagoras's (√2)
Digit 16,009 = 8
ln 2 — Natural log of 2
Digit 16,009 = 1
γ — Euler-Mascheroni (γ)
Digit 16,009 = 4

Also seen as

Unicode codepoint
CJK Unified Ideograph-3E89
U+3E89
Other letter (Lo)

UTF-8 encoding: E3 BA 89 (3 bytes).

Hex color
#003E89
RGB(0, 62, 137)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.62.137.

Address
0.0.62.137
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.62.137

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

Position in π

The digit sequence 16009 first appears in π at position 40,985 of the decimal expansion (the 40,985ordinal-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.