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10,001

10,001 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 Palindrome Recamán's Sequence Semiprime Squarefree Strobogrammatic

Properties

Parity
Odd
Digit count
5
Digit sum
2
Digit product
0
Digital root
2
Palindrome
Yes
Bit width
14 bits
Recamán's sequence
a(7,369) = 10,001
Square (n²)
100,020,001
Cube (n³)
1,000,300,030,001
Divisor count
4
σ(n) — sum of divisors
10,212
φ(n) — Euler's totient
9,792
Sum of prime factors
210

Primality

Prime factorization: 73 × 137

Nearest primes: 9,973 (−28) · 10,007 (+6)

Divisors & multiples

All divisors (4)
1 · 73 · 137 · 10001
Aliquot sum (sum of proper divisors): 211
Factor pairs (a × b = 10,001)
1 × 10001
73 × 137
First multiples
10,001 · 20,002 (double) · 30,003 · 40,004 · 50,005 · 60,006 · 70,007 · 80,008 · 90,009 · 100,010

Sums & aliquot sequence

As a sum of two squares: 1² + 100² = 65² + 76²
As consecutive integers: 5,000 + 5,001 101 + 102 + … + 173 5 + 6 + … + 141
Aliquot sequence: 10,001 211 1 0 — terminates at zero

Representations

In words
ten thousand one
Ordinal
10001st
Binary
10011100010001
Octal
23421
Hexadecimal
0x2711
Base64
JxE=
One's complement
55,534 (16-bit)
In other bases
ternary (3) 111201102
quaternary (4) 2130101
quinary (5) 310001
senary (6) 114145
septenary (7) 41105
nonary (9) 14642
undecimal (11) 7572
duodecimal (12) 5955
tridecimal (13) 4724
tetradecimal (14) 3905
pentadecimal (15) 2e6b

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓏺
Greek (Milesian)
͵ιαʹ
Mayan (base 20)
𝋡·𝋥·𝋠·𝋡
Chinese
一萬零一
Chinese (financial)
壹萬零壹
In other modern scripts
Eastern Arabic ١٠٠٠١ Devanagari १०००१ Bengali ১০০০১ Tamil ௧௦௦௦௧ Thai ๑๐๐๐๑ Tibetan ༡༠༠༠༡ Khmer ១០០០១ Lao ໑໐໐໐໑ Burmese ၁၀၀၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 10,001 = 8
e — Euler's number (e)
Digit 10,001 = 8
φ — Golden ratio (φ)
Digit 10,001 = 3
√2 — Pythagoras's (√2)
Digit 10,001 = 1
ln 2 — Natural log of 2
Digit 10,001 = 0
γ — Euler-Mascheroni (γ)
Digit 10,001 = 5

Also seen as

Unicode codepoint
White Nib
U+2711
Other symbol (So)

UTF-8 encoding: E2 9C 91 (3 bytes).

Hex color
#002711
RGB(0, 39, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.39.17.

Address
0.0.39.17
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.39.17

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

Position in π

The digit sequence 10001 first appears in π at position 14,201 of the decimal expansion (the 14,201ordinal-suffix:st 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.