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1,002,138

1,002,138 is a composite number, even.

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.).

1,002,138 (one million two thousand one hundred thirty-eight) is an even 7-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 167,023. Its proper divisors sum to 1,002,150, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF4A9A.

Abundant Number Arithmetic Number Cube-Free Happy Number Odious Number Pernicious Number Semiperfect Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
8,312,001
Square (n²)
1,004,280,571,044
Cube (n³)
1,006,427,722,904,892,072
Divisor count
8
σ(n) — sum of divisors
2,004,288
φ(n) — Euler's totient
334,044
Sum of prime factors
167,028

Primality

Prime factorization: 2 × 3 × 167023

Nearest primes: 1,002,121 (−17) · 1,002,143 (+5)

Divisors & multiples

All divisors (8)
1 · 2 · 3 · 6 · 167023 · 334046 · 501069 (half) · 1002138
Aliquot sum (sum of proper divisors): 1,002,150
Factor pairs (a × b = 1,002,138)
1 × 1002138
2 × 501069
3 × 334046
6 × 167023
First multiples
1,002,138 · 2,004,276 (double) · 3,006,414 · 4,008,552 · 5,010,690 · 6,012,828 · 7,014,966 · 8,017,104 · 9,019,242 · 10,021,380

Sums & aliquot sequence

As consecutive integers: 334,045 + 334,046 + 334,047 250,533 + 250,534 + 250,535 + 250,536 83,506 + 83,507 + … + 83,517
Aliquot sequence: 1,002,138 1,002,150 1,870,434 2,182,212 3,334,026 3,334,038 3,497,178 3,865,542 3,865,554 6,580,206 7,676,946 9,193,518 10,725,810 16,531,662 21,255,090 30,035,406 30,174,594 — unresolved within range

Continued fraction of √n

√1,002,138 = [1001; (14, 1, 1, 1, 1, 2, 3, 285, 1, 2, 1, 1, 1, 1, 1, 14, 1, 8, 1, 39, 1, 24, 2, 1, …)]

Representations

In words
one million two thousand one hundred thirty-eight
Ordinal
1002138th
Binary
11110100101010011010
Octal
3645232
Hexadecimal
0xF4A9A
Base64
D0qa
One's complement
4,293,965,157 (32-bit)
Scientific notation
1.002138 × 10⁶
As a duration
1,002,138 s = 11 days, 14 hours, 22 minutes, 18 seconds
In other bases
ternary (3) 1212220200020
quaternary (4) 3310222122
quinary (5) 224032023
senary (6) 33251310
septenary (7) 11342454
nonary (9) 1786606
undecimal (11) 624a15
duodecimal (12) 403b36
tridecimal (13) 2911a7
tetradecimal (14) 1c12d4
pentadecimal (15) 14bde3

As an angle

1,002,138° = 2,783 × 360° + 258°
258° ≈ 4.503 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬二千一百三十八
Chinese (financial)
壹佰萬貳仟壹佰參拾捌
In other modern scripts
Eastern Arabic ١٠٠٢١٣٨ Devanagari १००२१३८ Bengali ১০০২১৩৮ Tamil ௧௦௦௨௧௩௮ Thai ๑๐๐๒๑๓๘ Tibetan ༡༠༠༢༡༣༨ Khmer ១០០២១៣៨ Lao ໑໐໐໒໑໓໘ Burmese ၁၀၀၂၁၃၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1002138, here are decompositions:

  • 17 + 1002121 = 1002138
  • 29 + 1002109 = 1002138
  • 37 + 1002101 = 1002138
  • 47 + 1002091 = 1002138
  • 61 + 1002077 = 1002138
  • 89 + 1002049 = 1002138
  • 149 + 1001989 = 1002138
  • 157 + 1001981 = 1002138

Showing the first eight; more decompositions exist.

Hex color
#0F4A9A
RGB(15, 74, 154)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.74.154.

Address
0.15.74.154
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.74.154

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 1,002,138 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 1002138 first appears in π at position 206,956 of the decimal expansion (the 206,956ordinal-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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.