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101,140

101,140 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.).
Abundant Number Arithmetic Number Cube-Free Gapful Number Happy Number Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
6
Digit sum
7
Digit product
0
Digital root
7
Palindrome
No
Bit width
17 bits
Reversed
41,101
Recamán's sequence
a(98,519) = 101,140
Square (n²)
10,229,299,600
Cube (n³)
1,034,591,361,544,000
Divisor count
24
σ(n) — sum of divisors
229,320
φ(n) — Euler's totient
37,248
Sum of prime factors
411

Primality

Prime factorization: 2 2 × 5 × 13 × 389

Nearest primes: 101,119 (−21) · 101,141 (+1)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 5 · 10 · 13 · 20 · 26 · 52 · 65 · 130 · 260 · 389 · 778 · 1556 · 1945 · 3890 · 5057 · 7780 · 10114 · 20228 · 25285 · 50570 (half) · 101140
Aliquot sum (sum of proper divisors): 128,180
Factor pairs (a × b = 101,140)
1 × 101140
2 × 50570
4 × 25285
5 × 20228
10 × 10114
13 × 7780
20 × 5057
26 × 3890
52 × 1945
65 × 1556
130 × 778
260 × 389
First multiples
101,140 · 202,280 (double) · 303,420 · 404,560 · 505,700 · 606,840 · 707,980 · 809,120 · 910,260 · 1,011,400

Sums & aliquot sequence

As a sum of two squares: 4² + 318² = 126² + 292² = 158² + 276² = 194² + 252²
As consecutive integers: 20,226 + 20,227 + 20,228 + 20,229 + 20,230 12,639 + 12,640 + … + 12,646 7,774 + 7,775 + … + 7,786 2,509 + 2,510 + … + 2,548
Aliquot sequence: 101,140 128,180 189,340 208,316 175,564 131,680 179,792 189,604 146,060 168,100 205,791 68,601 29,959 1 0 — terminates at zero

Continued fraction of √n

√101,140 = [318; (39, 1, 3, 39, 1, 1, 158, 1, 1, 39, 3, 1, 39, 636)]

Period length 14 — the block in parentheses repeats forever.

Representations

In words
one hundred one thousand one hundred forty
Ordinal
101140th
Binary
11000101100010100
Octal
305424
Hexadecimal
0x18B14
Base64
AYsU
One's complement
4,294,866,155 (32-bit)
Scientific notation
1.0114 × 10⁵
In other bases
ternary (3) 12010201221
quaternary (4) 120230110
quinary (5) 11214030
senary (6) 2100124
septenary (7) 600604
nonary (9) 163657
undecimal (11) 69a96
duodecimal (12) 4a644
tridecimal (13) 37060
tetradecimal (14) 28c04
pentadecimal (15) 1ee7a
Palindromic in base 11

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
Egyptian hieroglyphic
𓆐𓆼𓍢𓎆𓎆𓎆𓎆
Greek (Milesian)
͵ραρμʹ
Mayan (base 20)
𝋬·𝋬·𝋱·𝋠
Chinese
一十萬一千一百四十
Chinese (financial)
壹拾萬壹仟壹佰肆拾
In other modern scripts
Eastern Arabic ١٠١١٤٠ Devanagari १०११४० Bengali ১০১১৪০ Tamil ௧௦௧௧௪௦ Thai ๑๐๑๑๔๐ Tibetan ༡༠༡༡༤༠ Khmer ១០១១៤០ Lao ໑໐໑໑໔໐ Burmese ၁၀၁၁၄၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 101140, here are decompositions:

  • 23 + 101117 = 101140
  • 29 + 101111 = 101140
  • 59 + 101081 = 101140
  • 89 + 101051 = 101140
  • 113 + 101027 = 101140
  • 131 + 101009 = 101140
  • 197 + 100943 = 101140
  • 227 + 100913 = 101140

Showing the first eight; more decompositions exist.

Unicode codepoint
𘬔
Khitan Small Script Character-18B14
U+18B14
Other letter (Lo)

UTF-8 encoding: F0 98 AC 94 (4 bytes).

Hex color
#018B14
RGB(1, 139, 20)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.139.20.

Address
0.1.139.20
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.139.20

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 101,140 and was likely granted around 1870.

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

Position in π

The digit sequence 101140 first appears in π at position 918,150 of the decimal expansion (the 918,150ordinal-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.