Live analysis

121,801

121,801 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.).

121,801 (one hundred twenty-one thousand eight hundred one) is an odd 6-digit number. It is a composite number with 3 divisors, and factors as 349². It is a perfect square (349²). Written other ways, in hexadecimal, 0x1DBC9.

Arithmetic Number Cube-Free Deficient Number Frugal Number Odious Number Perfect Square Pernicious Number Powerful Number Semiprime

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

121,789 121,790 121,791 121,792 121,793 121,794 121,795 121,796 121,797 121,798 121,799 121,800 121,801 121,802 121,803 121,804 121,805 121,806 121,807 121,808 121,809 121,810 121,811 121,812 121,813

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 13
Digit product: 0
Digital root: 4
Palindrome: No
Bit width: 17 bits
Reversed: 108,121
Square (n²): 14,835,483,601
Cube (n³): 1,806,976,738,085,401
Square root (√n): 349
Divisor count: 3
σ(n) — sum of divisors: 122,151
φ(n) — Euler's totient: 121,452
Sum of prime factors: 698

Primality

Prime factorization: 349 ²

Nearest primes: 121,789 (−12) · 121,843 (+42)

Divisors & multiples

All divisors (3)

1 · 349 · 121801

Aliquot sum (sum of proper divisors): 350

Factor pairs (a × b = 121,801)

1 × 121801

349 × 349

First multiples

121,801 · 243,602 (double) · 365,403 · 487,204 · 609,005 · 730,806 · 852,607 · 974,408 · 1,096,209 · 1,218,010

Sums & aliquot sequence

As a sum of two squares: 0² + 349² = 180² + 299²

As consecutive integers: 60,900 + 60,901 175 + 176 + … + 523

Aliquot sequence: 121,801 → 350 → 394 → 200 → 265 → 59 → 1 → 0 — terminates at zero

Representations

In words: one hundred twenty-one thousand eight hundred one
Ordinal: 121801st
Binary: 11101101111001001
Octal: 355711
Hexadecimal: 0x1DBC9
Base64: AdvJ
One's complement: 4,294,845,494 (32-bit)
Scientific notation: 1.21801 × 10⁵
As a duration: 121,801 s = 1 day, 9 hours, 50 minutes, 1 second

In other bases

ternary (3) 20012002011

quaternary (4) 131233021

quinary (5) 12344201

senary (6) 2335521

septenary (7) 1015051

nonary (9) 205064

undecimal (11) 83569

duodecimal (12) 5a5a1

tridecimal (13) 43594

tetradecimal (14) 32561

pentadecimal (15) 26151

As an angle

121,801° = 338 × 360° + 121°

121° ≈ 2.112 rad

Compass bearing: ESE (east-southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian): ͵ρκαωαʹ
Mayan (base 20): 𝋯·𝋤·𝋪·𝋡
Chinese: 一十二萬一千八百零一
Chinese (financial): 壹拾貳萬壹仟捌佰零壹

In other modern scripts

Eastern Arabic ١٢١٨٠١ Devanagari १२१८०१ Bengali ১২১৮০১ Tamil ௧௨௧௮௦௧ Thai ๑๒๑๘๐๑ Tibetan ༡༢༡༨༠༡ Khmer ១២១៨០១ Lao ໑໒໑໘໐໑ Burmese ၁၂၁၈၀၁

Also seen as

Hex color

#01DBC9

RGB(1, 219, 201)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.219.201.

Address: 0.1.219.201
Class: reserved
IPv4-mapped IPv6: ::ffff:0.1.219.201

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 121,801 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 US121,801 on Google Patents ↗ Look up on USPTO ↗

Position in π

The digit sequence 121801 first appears in π at position 508,446 of the decimal expansion (the 508,446ordinal-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.

Look up 121801 on Pi Search ↗