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109,621

109,621 is a prime, 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 Chen Prime Cube-Free Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Squarefree Twin Prime

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
17 bits
Reversed
126,901
Recamán's sequence
a(79,281) = 109,621
Square (n²)
12,016,763,641
Cube (n³)
1,317,289,647,090,061
Divisor count
2
σ(n) — sum of divisors
109,622
φ(n) — Euler's totient
109,620

Primality

109,621 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 109621
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 109,621)
1 × 109621
First multiples
109,621 · 219,242 (double) · 328,863 · 438,484 · 548,105 · 657,726 · 767,347 · 876,968 · 986,589 · 1,096,210

Sums & aliquot sequence

As a sum of two squares: 105² + 314²
As consecutive integers: 54,810 + 54,811

Continued fraction of √n

√109,621 = [331; (11, 28, 1, 2, 3, 24, 4, 2, 3, 4, 3, 1, 1, 1, 1, 1, 1, 3, 1, 1, 4, 1, 2, 1, …)]

Representations

In words
one hundred nine thousand six hundred twenty-one
Ordinal
109621st
Binary
11010110000110101
Octal
326065
Hexadecimal
0x1AC35
Base64
Aaw1
One's complement
4,294,857,674 (32-bit)
Scientific notation
1.09621 × 10⁵
As a duration
109,621 s = 1 day, 6 hours, 27 minutes, 1 second
In other bases
ternary (3) 12120101001
quaternary (4) 122300311
quinary (5) 12001441
senary (6) 2203301
septenary (7) 634411
nonary (9) 176331
undecimal (11) 753a6
duodecimal (12) 53531
tridecimal (13) 3ab85
tetradecimal (14) 2bd41
pentadecimal (15) 22731

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓆐𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ρθχκαʹ
Mayan (base 20)
𝋭·𝋮·𝋡·𝋡
Chinese
一十萬九千六百二十一
Chinese (financial)
壹拾萬玖仟陸佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٩٦٢١ Devanagari १०९६२१ Bengali ১০৯৬২১ Tamil ௧௦௯௬௨௧ Thai ๑๐๙๖๒๑ Tibetan ༡༠༩༦༢༡ Khmer ១០៩៦២១ Lao ໑໐໙໖໒໑ Burmese ၁၀၉၆၂၁

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: twin with 109619.

Hex color
#01AC35
RGB(1, 172, 53)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.172.53.

Address
0.1.172.53
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.172.53

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 109,621 and was likely granted around 1871.

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