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1,013,181

1,013,181 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.).

1,013,181 (one million thirteen thousand one hundred eighty-one) is an odd 7-digit number. It is a composite number with 16 divisors, and factors as 3 × 13 × 83 × 313. Written other ways, in hexadecimal, 0xF75BD.

Arithmetic Number Cube-Free Deficient Number Odious 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
1,813,101
Square (n²)
1,026,535,738,761
Cube (n³)
1,040,066,506,333,608,741
Divisor count
16
σ(n) — sum of divisors
1,477,056
φ(n) — Euler's totient
614,016
Sum of prime factors
412

Primality

Prime factorization: 3 × 13 × 83 × 313

Nearest primes: 1,013,153 (−28) · 1,013,197 (+16)

Divisors & multiples

All divisors (16)
1 · 3 · 13 · 39 · 83 · 249 · 313 · 939 · 1079 · 3237 · 4069 · 12207 · 25979 · 77937 · 337727 · 1013181
Aliquot sum (sum of proper divisors): 463,875
Factor pairs (a × b = 1,013,181)
1 × 1013181
3 × 337727
13 × 77937
39 × 25979
83 × 12207
249 × 4069
313 × 3237
939 × 1079
First multiples
1,013,181 · 2,026,362 (double) · 3,039,543 · 4,052,724 · 5,065,905 · 6,079,086 · 7,092,267 · 8,105,448 · 9,118,629 · 10,131,810

Sums & aliquot sequence

As consecutive integers: 506,590 + 506,591 337,726 + 337,727 + 337,728 168,861 + 168,862 + 168,863 + 168,864 + 168,865 + 168,866 77,931 + 77,932 + … + 77,943
Aliquot sequence: 1,013,181 463,875 308,637 244,323 117,677 16,819 1,801 1 0 — terminates at zero

Continued fraction of √n

√1,013,181 = [1006; (1, 1, 3, 7, 1, 6, 2, 1, 1, 2, 1, 4, 1, 5, 1, 7, 1, 2, 2, 16, 4, 1, 2, 1, …)]

Representations

In words
one million thirteen thousand one hundred eighty-one
Ordinal
1013181st
Binary
11110111010110111101
Octal
3672675
Hexadecimal
0xF75BD
Base64
D3W9
One's complement
4,293,954,114 (32-bit)
Scientific notation
1.013181 × 10⁶
As a duration
1,013,181 s = 11 days, 17 hours, 26 minutes, 21 seconds
In other bases
ternary (3) 1220110211020
quaternary (4) 3313112331
quinary (5) 224410211
senary (6) 33414353
septenary (7) 11416611
nonary (9) 1813736
undecimal (11) 632244
duodecimal (12) 40a3b9
tridecimal (13) 296220
tetradecimal (14) 1c5341
pentadecimal (15) 150306

As an angle

1,013,181° = 2,814 × 360° + 141°
141° ≈ 2.461 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零一萬三千一百八十一
Chinese (financial)
壹佰零壹萬參仟壹佰捌拾壹
In other modern scripts
Eastern Arabic ١٠١٣١٨١ Devanagari १०१३१८१ Bengali ১০১৩১৮১ Tamil ௧௦௧௩௧௮௧ Thai ๑๐๑๓๑๘๑ Tibetan ༡༠༡༣༡༨༡ Khmer ១០១៣១៨១ Lao ໑໐໑໓໑໘໑ Burmese ၁၀၁၃၁၈၁

Also seen as

Hex color
#0F75BD
RGB(15, 117, 189)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.117.189.

Address
0.15.117.189
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.117.189

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 1, 3181 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 3181-10-01 (MMDYYYY (US, single-digit day))
  • 3181-01-10 (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 1,013,181 and was likely granted around 1911.

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

Position in π

The digit sequence 1013181 first appears in π at position 889,872 of the decimal expansion (the 889,872ordinal-suffix:nd 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