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106,821

106,821 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 Recamán's Sequence

Properties

Parity
Odd
Digit count
6
Digit sum
18
Digital root
9
Palindrome
No
Bit width
17 bits
Reversed
128,601
Recamán's sequence
a(24,290) = 106,821
Square (n²)
11,410,726,041
Cube (n³)
1,218,905,166,425,661
Divisor count
24
σ(n) — sum of divisors
183,456

Primality

Prime factorization: 3 2 × 11 × 13 × 83

Divisors & multiples

All divisors (24)
1 · 3 · 9 · 11 · 13 · 33 · 39 · 83 · 99 · 117 · 143 · 249 · 429 · 747 · 913 · 1079 · 1287 · 2739 · 3237 · 8217 · 9711 · 11869 · 35607 · 106821
Aliquot sum (sum of proper divisors): 76,635
Factor pairs (a × b = 106,821)
1 × 106821
3 × 35607
9 × 11869
11 × 9711
13 × 8217
33 × 3237
39 × 2739
83 × 1287
99 × 1079
117 × 913
143 × 747
249 × 429
First multiples
106,821 · 213,642 (double) · 320,463 · 427,284 · 534,105 · 640,926 · 747,747 · 854,568 · 961,389 · 1,068,210

Representations

In words
one hundred six thousand eight hundred twenty-one
Ordinal
106821st
Binary
11010000101000101
Octal
320505
Hexadecimal
0x1A145
Base64
AaFF
One's complement
4,294,860,474 (32-bit)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ρϛωκαʹ
Mayan (base 20)
𝋭·𝋧·𝋡·𝋡
Chinese
一十萬六千八百二十一
Chinese (financial)
壹拾萬陸仟捌佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٦٨٢١ Devanagari १०६८२१ Bengali ১০৬৮২১ Tamil ௧௦௬௮௨௧ Thai ๑๐๖๘๒๑ Tibetan ༡༠༦༨༢༡ Khmer ១០៦៨២១ Lao ໑໐໖໘໒໑ Burmese ၁၀၆၈၂၁

Also seen as

Hex color
#01A145
RGB(1, 161, 69)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.161.69.

Address
0.1.161.69
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.161.69

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 106,821 and was likely granted around 1870.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.