Live analysis

120,021

120,021 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.).

120,021 (one hundred twenty thousand twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 11 × 3,637. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0x1D4D5.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Happy Number Palindrome Recamán's Sequence Sphenic Number Squarefree

Interestingness

★ ★ ★ ★ ★

8 notable facts · grade A

120,009 120,010 120,011 120,012 120,013 120,014 120,015 120,016 120,017 120,018 120,019 120,020 120,021 120,022 120,023 120,024 120,025 120,026 120,027 120,028 120,029 120,030 120,031 120,032 120,033

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 6
Digit product: 0
Digital root: 6
Palindrome: Yes
Bit width: 17 bits
Recamán's sequence: a(240,054) = 120,021
Square (n²): 14,405,040,441
Cube (n³): 1,728,907,358,769,261
Divisor count: 8
σ(n) — sum of divisors: 174,624
φ(n) — Euler's totient: 72,720
Sum of prime factors: 3,651

Primality

Prime factorization: 3 × 11 × 3637

Nearest primes: 120,017 (−4) · 120,041 (+20)

Divisors & multiples

All divisors (8)

1 · 3 · 11 · 33 · 3637 · 10911 · 40007 · 120021

Aliquot sum (sum of proper divisors): 54,603

Factor pairs (a × b = 120,021)

1 × 120021

3 × 40007

11 × 10911

33 × 3637

First multiples

120,021 · 240,042 (double) · 360,063 · 480,084 · 600,105 · 720,126 · 840,147 · 960,168 · 1,080,189 · 1,200,210

Sums & aliquot sequence

As consecutive integers: 60,010 + 60,011 40,006 + 40,007 + 40,008 20,001 + 20,002 + 20,003 + 20,004 + 20,005 + 20,006 10,906 + 10,907 + … + 10,916

Aliquot sequence: 120,021 → 54,603 → 24,281 → 1 → 0 — terminates at zero

Continued fraction of √n

√120,021 = [346; (2, 3, 1, 2, 3, 27, 2, 2, 1, 1, 6, 1, 2, 2, 4, 4, 2, 5, 7, 9, 10, 12, 2, 230, …)]

Period length 48 — the block in parentheses repeats forever.

Representations

In words: one hundred twenty thousand twenty-one
Ordinal: 120021st
Binary: 11101010011010101
Octal: 352325
Hexadecimal: 0x1D4D5
Base64: AdTV
One's complement: 4,294,847,274 (32-bit)
Scientific notation: 1.20021 × 10⁵
As a duration: 120,021 s = 1 day, 9 hours, 20 minutes, 21 seconds

In other bases

ternary (3) 20002122020

quaternary (4) 131103111

quinary (5) 12320041

senary (6) 2323353

septenary (7) 1006626

nonary (9) 202566

undecimal (11) 821a0

duodecimal (12) 59559

tridecimal (13) 42825

tetradecimal (14) 31a4d

pentadecimal (15) 25866

As an angle

120,021° = 333 × 360° + 141°

141° ≈ 2.461 rad

Compass bearing: SE (southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓎆𓎆𓏺
Greek (Milesian): ͵ρκκαʹ
Mayan (base 20): 𝋯·𝋠·𝋡·𝋡
Chinese: 一十二萬零二十一
Chinese (financial): 壹拾貳萬零貳拾壹

In other modern scripts

Eastern Arabic ١٢٠٠٢١ Devanagari १२००२१ Bengali ১২০০২১ Tamil ௧௨௦௦௨௧ Thai ๑๒๐๐๒๑ Tibetan ༡༢༠༠༢༡ Khmer ១២០០២១ Lao ໑໒໐໐໒໑ Burmese ၁၂၀၀၂၁

Also seen as

Unicode codepoint

𝓕

Mathematical Bold Script Capital F

U+1D4D5

Uppercase letter (Lu)

UTF-8 encoding: F0 9D 93 95 (4 bytes).

Lookup U+1D4D5 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#01D4D5

RGB(1, 212, 213)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.212.213.

Address: 0.1.212.213
Class: reserved
IPv4-mapped IPv6: ::ffff:0.1.212.213

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 120,021 and was likely granted around 1871.

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

Look up US120,021 on Google Patents ↗ Look up on USPTO ↗