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1,042,901

1,042,901 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.).

1,042,901 (one million forty-two thousand nine hundred one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFE9D5.

Arithmetic Number Chen Prime Cousin Prime Cube-Free Deficient Number Evil Number Happy Number Prime Pythagorean Prime Self Number Sophie Germain Prime Squarefree Twin Prime

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
1,092,401
Square (n²)
1,087,642,495,801
Cube (n³)
1,134,303,446,513,358,701
Divisor count
2
σ(n) — sum of divisors
1,042,902
φ(n) — Euler's totient
1,042,900

Primality

1,042,901 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1042901
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,042,901)
1 × 1042901
First multiples
1,042,901 · 2,085,802 (double) · 3,128,703 · 4,171,604 · 5,214,505 · 6,257,406 · 7,300,307 · 8,343,208 · 9,386,109 · 10,429,010

Sums & aliquot sequence

As a sum of two squares: 151² + 1,010²
As consecutive integers: 521,450 + 521,451

Continued fraction of √n

√1,042,901 = [1021; (4, 2, 3, 1, 1, 1, 3, 1, 1, 2, 1, 119, 2, 2, 1, 5, 43, 3, 1, 1, 4, 6, 1, 5, …)]

Representations

In words
one million forty-two thousand nine hundred one
Ordinal
1042901st
Binary
11111110100111010101
Octal
3764725
Hexadecimal
0xFE9D5
Base64
D+nV
One's complement
4,293,924,394 (32-bit)
Scientific notation
1.042901 × 10⁶
As a duration
1,042,901 s = 12 days, 1 hour, 41 minutes, 41 seconds
In other bases
ternary (3) 1221222120222
quaternary (4) 3332213111
quinary (5) 231333101
senary (6) 34204125
septenary (7) 11602346
nonary (9) 1858528
undecimal (11) 652602
duodecimal (12) 423645
tridecimal (13) 2a6902
tetradecimal (14) 1d20cd
pentadecimal (15) 15901b

As an angle

1,042,901° = 2,896 × 360° + 341°
341° ≈ 5.952 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
Chinese
一百零四萬二千九百零一
Chinese (financial)
壹佰零肆萬貳仟玖佰零壹
In other modern scripts
Eastern Arabic ١٠٤٢٩٠١ Devanagari १०४२९०१ Bengali ১০৪২৯০১ Tamil ௧௦௪௨௯௦௧ Thai ๑๐๔๒๙๐๑ Tibetan ༡༠༤༢༩༠༡ Khmer ១០៤២៩០១ Lao ໑໐໔໒໙໐໑ Burmese ၁၀၄၂၉၀၁

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: twin with 1042903, cousin with 1042897.

Hex color
#0FE9D5
RGB(15, 233, 213)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.233.213.

Address
0.15.233.213
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.233.213

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

Possible date

Could be parsed as a date. Most likely interpretation: Tuesday, January 4, 2901 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2901-04-01 (DMMYYYY (Euro, single-digit day))
  • 2901-10-04 (MMDYYYY (US, single-digit day))
  • 2901-04-10 (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 1,042,901 and was likely granted around 1912.

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

Position in π

The digit sequence 1042901 first appears in π at position 932,574 of the decimal expansion (the 932,574ordinal-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.

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.