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139,007

139,007 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.).

139,007 (one hundred thirty-nine thousand seven) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 11 × 12,637. Written other ways, in hexadecimal, 0x21EFF.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Self Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
18 bits
Reversed
700,931
Recamán's sequence
a(490,813) = 139,007
Square (n²)
19,322,946,049
Cube (n³)
2,686,024,761,433,343
Divisor count
4
σ(n) — sum of divisors
151,656
φ(n) — Euler's totient
126,360
Sum of prime factors
12,648

Primality

Prime factorization: 11 × 12637

Nearest primes: 138,977 (−30) · 139,021 (+14)

Divisors & multiples

All divisors (4)
1 · 11 · 12637 · 139007
Aliquot sum (sum of proper divisors): 12,649
Factor pairs (a × b = 139,007)
1 × 139007
11 × 12637
First multiples
139,007 · 278,014 (double) · 417,021 · 556,028 · 695,035 · 834,042 · 973,049 · 1,112,056 · 1,251,063 · 1,390,070

Sums & aliquot sequence

As consecutive integers: 69,503 + 69,504 12,632 + 12,633 + … + 12,642 6,308 + 6,309 + … + 6,329
Aliquot sequence: 139,007 12,649 3,031 441 300 568 512 511 81 40 50 43 1 0 — terminates at zero

Continued fraction of √n

√139,007 = [372; (1, 5, 8, 1, 4, 2, 8, 1, 66, 1, 8, 2, 4, 1, 8, 5, 1, 744)]

Period length 18 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-nine thousand seven
Ordinal
139007th
Binary
100001111011111111
Octal
417377
Hexadecimal
0x21EFF
Base64
Ah7/
One's complement
4,294,828,288 (32-bit)
Scientific notation
1.39007 × 10⁵
As a duration
139,007 s = 1 day, 14 hours, 36 minutes, 47 seconds
In other bases
ternary (3) 21001200102
quaternary (4) 201323333
quinary (5) 13422012
senary (6) 2551315
septenary (7) 1116161
nonary (9) 231612
undecimal (11) 95490
duodecimal (12) 6853b
tridecimal (13) 4b36b
tetradecimal (14) 38931
pentadecimal (15) 2b2c2

As an angle

139,007° = 386 × 360° + 47°
47° ≈ 0.82 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλθζʹ
Mayan (base 20)
𝋱·𝋧·𝋪·𝋧
Chinese
一十三萬九千零七
Chinese (financial)
壹拾參萬玖仟零柒
In other modern scripts
Eastern Arabic ١٣٩٠٠٧ Devanagari १३९००७ Bengali ১৩৯০০৭ Tamil ௧௩௯௦௦௭ Thai ๑๓๙๐๐๗ Tibetan ༡༣༩༠༠༧ Khmer ១៣៩០០៧ Lao ໑໓໙໐໐໗ Burmese ၁၃၉၀၀၇

Also seen as

Unicode codepoint
𡻿
CJK Unified Ideograph-21Eff
U+21EFF
Other letter (Lo)

UTF-8 encoding: F0 A1 BB BF (4 bytes).

Hex color
#021EFF
RGB(2, 30, 255)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.30.255.

Address
0.2.30.255
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.30.255

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 139,007 and was likely granted around 1872.

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

Position in π

The digit sequence 139007 first appears in π at position 305,115 of the decimal expansion (the 305,115ordinal-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

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.