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10,161

10,161 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.).
Deficient Number Evil Number Flippable Harshad / Niven Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
14 bits
Reversed
16,101
Flips to (rotate 180°)
19,101
Recamán's sequence
a(2,430) = 10,161
Square (n²)
103,245,921
Cube (n³)
1,049,081,803,281
Divisor count
6
σ(n) — sum of divisors
14,690
φ(n) — Euler's totient
6,768
Sum of prime factors
1,135

Primality

Prime factorization: 3 2 × 1129

Nearest primes: 10,159 (−2) · 10,163 (+2)

Divisors & multiples

All divisors (6)
1 · 3 · 9 · 1129 · 3387 · 10161
Aliquot sum (sum of proper divisors): 4,529
Factor pairs (a × b = 10,161)
1 × 10161
3 × 3387
9 × 1129
First multiples
10,161 · 20,322 (double) · 30,483 · 40,644 · 50,805 · 60,966 · 71,127 · 81,288 · 91,449 · 101,610

Sums & aliquot sequence

As a sum of two squares: 60² + 81²
As consecutive integers: 5,080 + 5,081 3,386 + 3,387 + 3,388 1,691 + 1,692 + 1,693 + 1,694 + 1,695 + 1,696 1,125 + 1,126 + … + 1,133
Aliquot sequence: 10,161 4,529 655 137 1 0 — terminates at zero

Representations

In words
ten thousand one hundred sixty-one
Ordinal
10161st
Binary
10011110110001
Octal
23661
Hexadecimal
0x27B1
Base64
J7E=
One's complement
55,374 (16-bit)
In other bases
ternary (3) 111221100
quaternary (4) 2132301
quinary (5) 311121
senary (6) 115013
septenary (7) 41424
nonary (9) 14840
undecimal (11) 76a8
duodecimal (12) 5a69
tridecimal (13) 4818
tetradecimal (14) 39bb
pentadecimal (15) 3026

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ιρξαʹ
Mayan (base 20)
𝋡·𝋥·𝋨·𝋡
Chinese
一萬零一百六十一
Chinese (financial)
壹萬零壹佰陸拾壹
In other modern scripts
Eastern Arabic ١٠١٦١ Devanagari १०१६१ Bengali ১০১৬১ Tamil ௧௦௧௬௧ Thai ๑๐๑๖๑ Tibetan ༡༠༡༦༡ Khmer ១០១៦១ Lao ໑໐໑໖໑ Burmese ၁၀၁၆၁

Digit at this position in famous constants

π — Pi (π)
Digit 10,161 = 0
e — Euler's number (e)
Digit 10,161 = 1
φ — Golden ratio (φ)
Digit 10,161 = 9
√2 — Pythagoras's (√2)
Digit 10,161 = 7
ln 2 — Natural log of 2
Digit 10,161 = 0
γ — Euler-Mascheroni (γ)
Digit 10,161 = 5

Also seen as

Unicode codepoint
Notched Upper Right-Shadowed White Rightwards Arrow
U+27B1
Other symbol (So)

UTF-8 encoding: E2 9E B1 (3 bytes).

Hex color
#0027B1
RGB(0, 39, 177)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.39.177.

Address
0.0.39.177
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.39.177

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

Position in π

The digit sequence 10161 first appears in π at position 110,566 of the decimal expansion (the 110,566ordinal-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.