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1,042,521

1,042,521 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.).

1,042,521 (one million forty-two thousand five hundred twenty-one) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 3 × 23 × 29 × 521. Written other ways, in hexadecimal, 0xFE859.

Arithmetic Number Cube-Free Deficient Number Evil Number Self Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
1,252,401
Square (n²)
1,086,850,035,441
Cube (n³)
1,133,063,985,797,986,761
Divisor count
16
σ(n) — sum of divisors
1,503,360
φ(n) — Euler's totient
640,640
Sum of prime factors
576

Primality

Prime factorization: 3 × 23 × 29 × 521

Nearest primes: 1,042,519 (−2) · 1,042,523 (+2)

Divisors & multiples

All divisors (16)
1 · 3 · 23 · 29 · 69 · 87 · 521 · 667 · 1563 · 2001 · 11983 · 15109 · 35949 · 45327 · 347507 · 1042521
Aliquot sum (sum of proper divisors): 460,839
Factor pairs (a × b = 1,042,521)
1 × 1042521
3 × 347507
23 × 45327
29 × 35949
69 × 15109
87 × 11983
521 × 2001
667 × 1563
First multiples
1,042,521 · 2,085,042 (double) · 3,127,563 · 4,170,084 · 5,212,605 · 6,255,126 · 7,297,647 · 8,340,168 · 9,382,689 · 10,425,210

Sums & aliquot sequence

As consecutive integers: 521,260 + 521,261 347,506 + 347,507 + 347,508 173,751 + 173,752 + 173,753 + 173,754 + 173,755 + 173,756 45,316 + 45,317 + … + 45,338
Aliquot sequence: 1,042,521 460,839 174,921 60,279 21,513 7,863 2,625 2,367 1,065 663 345 231 153 81 40 50 43 — unresolved within range

Continued fraction of √n

√1,042,521 = [1021; (25, 1, 1, 9, 3, 4, 31, 5, 2, 1, 1, 41, 12, 7, 1, 1, 1, 1, 1, 6, 2, 3, 1, 8, …)]

Representations

In words
one million forty-two thousand five hundred twenty-one
Ordinal
1042521st
Binary
11111110100001011001
Octal
3764131
Hexadecimal
0xFE859
Base64
D+hZ
One's complement
4,293,924,774 (32-bit)
Scientific notation
1.042521 × 10⁶
As a duration
1,042,521 s = 12 days, 1 hour, 35 minutes, 21 seconds
In other bases
ternary (3) 1221222001220
quaternary (4) 3332201121
quinary (5) 231330041
senary (6) 34202253
septenary (7) 11601264
nonary (9) 1858056
undecimal (11) 652297
duodecimal (12) 423389
tridecimal (13) 2a669c
tetradecimal (14) 1d1cdb
pentadecimal (15) 158d66

As an angle

1,042,521° = 2,895 × 360° + 321°
321° ≈ 5.603 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零四萬二千五百二十一
Chinese (financial)
壹佰零肆萬貳仟伍佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٤٢٥٢١ Devanagari १०४२५२१ Bengali ১০৪২৫২১ Tamil ௧௦௪௨௫௨௧ Thai ๑๐๔๒๕๒๑ Tibetan ༡༠༤༢༥༢༡ Khmer ១០៤២៥២១ Lao ໑໐໔໒໕໒໑ Burmese ၁၀၄၂၅၂၁

Also seen as

Hex color
#0FE859
RGB(15, 232, 89)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.232.89.

Address
0.15.232.89
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.232.89

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 4, 2521 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2521-04-01 (DMMYYYY (Euro, single-digit day))
  • 2521-10-04 (MMDYYYY (US, single-digit day))
  • 2521-04-10 (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 1,042,521 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