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1,021,201

1,021,201 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.).

1,021,201 (one million twenty-one thousand two hundred one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 61 × 16,741. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0xF9511.

Arithmetic Number Cube-Free Deficient Number Evil Number Palindrome Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
7
Digit product
0
Digital root
7
Palindrome
Yes
Bit width
20 bits
Square (n²)
1,042,851,482,401
Cube (n³)
1,064,960,976,679,383,601
Divisor count
4
σ(n) — sum of divisors
1,038,004
φ(n) — Euler's totient
1,004,400
Sum of prime factors
16,802

Primality

Prime factorization: 61 × 16741

Nearest primes: 1,021,199 (−2) · 1,021,217 (+16)

Divisors & multiples

All divisors (4)
1 · 61 · 16741 · 1021201
Aliquot sum (sum of proper divisors): 16,803
Factor pairs (a × b = 1,021,201)
1 × 1021201
61 × 16741
First multiples
1,021,201 · 2,042,402 (double) · 3,063,603 · 4,084,804 · 5,106,005 · 6,127,206 · 7,148,407 · 8,169,608 · 9,190,809 · 10,212,010

Sums & aliquot sequence

As a sum of two squares: 585² + 824² = 705² + 724²
As consecutive integers: 510,600 + 510,601 16,711 + 16,712 + … + 16,771 8,310 + 8,311 + … + 8,431
Aliquot sequence: 1,021,201 16,803 7,481 1 0 — terminates at zero

Continued fraction of √n

√1,021,201 = [1010; (1, 1, 5, 14, 1, 3, 1, 2, 1, 10, 4, 25, 51, 1, 3, 1, 1, 1, 1, 2, 1, 1, 2, 1, …)]

Representations

In words
one million twenty-one thousand two hundred one
Ordinal
1021201st
Binary
11111001010100010001
Octal
3712421
Hexadecimal
0xF9511
Base64
D5UR
One's complement
4,293,946,094 (32-bit)
Scientific notation
1.021201 × 10⁶
As a duration
1,021,201 s = 11 days, 19 hours, 40 minutes, 1 second
In other bases
ternary (3) 1220212211021
quaternary (4) 3321110101
quinary (5) 230134301
senary (6) 33515441
septenary (7) 11452156
nonary (9) 1825737
undecimal (11) 638275
duodecimal (12) 412b81
tridecimal (13) 299a7c
tetradecimal (14) 1c822d
pentadecimal (15) 1528a1

As an angle

1,021,201° = 2,836 × 360° + 241°
241° ≈ 4.206 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓍢𓍢𓏺
Chinese
一百零二萬一千二百零一
Chinese (financial)
壹佰零貳萬壹仟貳佰零壹
In other modern scripts
Eastern Arabic ١٠٢١٢٠١ Devanagari १०२१२०१ Bengali ১০২১২০১ Tamil ௧௦௨௧௨௦௧ Thai ๑๐๒๑๒๐๑ Tibetan ༡༠༢༡༢༠༡ Khmer ១០២១២០១ Lao ໑໐໒໑໒໐໑ Burmese ၁၀၂၁၂၀၁

Also seen as

Hex color
#0F9511
RGB(15, 149, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.149.17.

Address
0.15.149.17
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.149.17

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

Possible date

Could be parsed as a date. Most likely interpretation: Tuesday, January 2, 1201 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 1201-02-01 (DMMYYYY (Euro, single-digit day))
  • 1201-10-02 (MMDYYYY (US, single-digit day))
  • 1201-02-10 (DDMYYYY (Euro, single-digit month))
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 1,021,201 and was likely granted around 1912.

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

Related reading