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20,007

20,007 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 Gapful Number Harshad / Niven

Properties

Parity
Odd
Digit count
5
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
15 bits
Reversed
70,002
Square (n²)
400,280,049
Cube (n³)
8,008,402,940,343
Divisor count
20
σ(n) — sum of divisors
33,880
φ(n) — Euler's totient
11,664
Sum of prime factors
44

Primality

Prime factorization: 3 4 × 13 × 19

Nearest primes: 19,997 (−10) · 20,011 (+4)

Divisors & multiples

All divisors (20)
1 · 3 · 9 · 13 · 19 · 27 · 39 · 57 · 81 · 117 · 171 · 247 · 351 · 513 · 741 · 1053 · 1539 · 2223 · 6669 · 20007
Aliquot sum (sum of proper divisors): 13,873
Factor pairs (a × b = 20,007)
1 × 20007
3 × 6669
9 × 2223
13 × 1539
19 × 1053
27 × 741
39 × 513
57 × 351
81 × 247
117 × 171
First multiples
20,007 · 40,014 (double) · 60,021 · 80,028 · 100,035 · 120,042 · 140,049 · 160,056 · 180,063 · 200,070

Sums & aliquot sequence

As consecutive integers: 10,003 + 10,004 6,668 + 6,669 + 6,670 3,332 + 3,333 + 3,334 + 3,335 + 3,336 + 3,337 2,219 + 2,220 + … + 2,227
Aliquot sequence: 20,007 13,873 1 0 — terminates at zero

Representations

In words
twenty thousand seven
Ordinal
20007th
Binary
100111000100111
Octal
47047
Hexadecimal
0x4E27
Base64
Tic=
One's complement
45,528 (16-bit)
In other bases
ternary (3) 1000110000
quaternary (4) 10320213
quinary (5) 1120012
senary (6) 232343
septenary (7) 112221
nonary (9) 30400
undecimal (11) 14039
duodecimal (12) b6b3
tridecimal (13) 9150
tetradecimal (14) 7411
pentadecimal (15) 5ddc

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵κζʹ
Mayan (base 20)
𝋢·𝋪·𝋠·𝋧
Chinese
二萬零七
Chinese (financial)
貳萬零柒
In other modern scripts
Eastern Arabic ٢٠٠٠٧ Devanagari २०००७ Bengali ২০০০৭ Tamil ௨௦௦௦௭ Thai ๒๐๐๐๗ Tibetan ༢༠༠༠༧ Khmer ២០០០៧ Lao ໒໐໐໐໗ Burmese ၂၀၀၀၇

Digit at this position in famous constants

π — Pi (π)
Digit 20,007 = 6
e — Euler's number (e)
Digit 20,007 = 3
φ — Golden ratio (φ)
Digit 20,007 = 9
√2 — Pythagoras's (√2)
Digit 20,007 = 3
ln 2 — Natural log of 2
Digit 20,007 = 4
γ — Euler-Mascheroni (γ)
Digit 20,007 = 5

Also seen as

Unicode codepoint
CJK Unified Ideograph-4E27
U+4E27
Other letter (Lo)

UTF-8 encoding: E4 B8 A7 (3 bytes).

Hex color
#004E27
RGB(0, 78, 39)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.78.39.

Address
0.0.78.39
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.78.39

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

Position in π

The digit sequence 20007 first appears in π at position 85,553 of the decimal expansion (the 85,553ordinal-suffix:rd 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.