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1,001,501

1,001,501 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.).

1,001,501 (one million one thousand five hundred one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF481D.

Arithmetic Number Chen Prime Cube-Free Deficient Number Evil Number Happy Number Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
8
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
1,051,001
Square (n²)
1,003,004,253,001
Cube (n³)
1,004,509,762,384,754,501
Divisor count
2
σ(n) — sum of divisors
1,001,502
φ(n) — Euler's totient
1,001,500

Primality

1,001,501 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1001501
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,001,501)
1 × 1001501
First multiples
1,001,501 · 2,003,002 (double) · 3,004,503 · 4,006,004 · 5,007,505 · 6,009,006 · 7,010,507 · 8,012,008 · 9,013,509 · 10,015,010

Sums & aliquot sequence

As a sum of two squares: 565² + 826²
As consecutive integers: 500,750 + 500,751

Continued fraction of √n

√1,001,501 = [1000; (1, 3, 285, 1, 2, 8, 1, 39, 1, 20, 1, 3, 1, 1, 5, 3, 1, 1, 2, 1, 1, 5, 1, 3, …)]

Representations

In words
one million one thousand five hundred one
Ordinal
1001501st
Binary
11110100100000011101
Octal
3644035
Hexadecimal
0xF481D
Base64
D0gd
One's complement
4,293,965,794 (32-bit)
Scientific notation
1.001501 × 10⁶
As a duration
1,001,501 s = 11 days, 14 hours, 11 minutes, 41 seconds
In other bases
ternary (3) 1212212210122
quaternary (4) 3310200131
quinary (5) 224022001
senary (6) 33244325
septenary (7) 11340554
nonary (9) 1785718
undecimal (11) 624496
duodecimal (12) 4036a5
tridecimal (13) 290b07
tetradecimal (14) 1c0d9b
pentadecimal (15) 14bb1b

As an angle

1,001,501° = 2,781 × 360° + 341°
341° ≈ 5.952 rad

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓆼𓍢𓍢𓍢𓍢𓍢𓏺
Chinese
一百萬一千五百零一
Chinese (financial)
壹佰萬壹仟伍佰零壹
In other modern scripts
Eastern Arabic ١٠٠١٥٠١ Devanagari १००१५०१ Bengali ১০০১৫০১ Tamil ௧௦௦௧௫௦௧ Thai ๑๐๐๑๕๐๑ Tibetan ༡༠༠༡༥༠༡ Khmer ១០០១៥០១ Lao ໑໐໐໑໕໐໑ Burmese ၁၀၀၁၅၀၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F481D
RGB(15, 72, 29)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.72.29.

Address
0.15.72.29
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.72.29

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 1,001,501 and was likely granted around 1911.

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

Related reading

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.