Live analysis

139,001

139,001 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.).

139,001 (one hundred thirty-nine thousand one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 97 × 1,433. Written other ways, in hexadecimal, 0x21EF9.

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

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

138,989 138,990 138,991 138,992 138,993 138,994 138,995 138,996 138,997 138,998 138,999 139,000 139,001 139,002 139,003 139,004 139,005 139,006 139,007 139,008 139,009 139,010 139,011 139,012 139,013

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 14
Digit product: 0
Digital root: 5
Palindrome: No
Bit width: 18 bits
Reversed: 100,931
Recamán's sequence: a(490,825) = 139,001
Square (n²): 19,321,278,001
Cube (n³): 2,685,676,963,417,001
Divisor count: 4
σ(n) — sum of divisors: 140,532
φ(n) — Euler's totient: 137,472
Sum of prime factors: 1,530

Primality

Prime factorization: 97 × 1433

Nearest primes: 138,977 (−24) · 139,021 (+20)

Divisors & multiples

All divisors (4)

1 · 97 · 1433 · 139001

Aliquot sum (sum of proper divisors): 1,531

Factor pairs (a × b = 139,001)

1 × 139001

97 × 1433

First multiples

139,001 · 278,002 (double) · 417,003 · 556,004 · 695,005 · 834,006 · 973,007 · 1,112,008 · 1,251,009 · 1,390,010

Sums & aliquot sequence

As a sum of two squares: 76² + 365² = 220² + 301²

As consecutive integers: 69,500 + 69,501 1,385 + 1,386 + … + 1,481 620 + 621 + … + 813

Aliquot sequence: 139,001 → 1,531 → 1 → 0 — terminates at zero

Continued fraction of √n

√139,001 = [372; (1, 4, 1, 4, 1, 3, 2, 2, 4, 1, 1, 8, 4, 1, 1, 16, 1, 3, 1, 2, 4, 1, 3, 1, …)]

Representations

In words: one hundred thirty-nine thousand one
Ordinal: 139001st
Binary: 100001111011111001
Octal: 417371
Hexadecimal: 0x21EF9
Base64: Ah75
One's complement: 4,294,828,294 (32-bit)
Scientific notation: 1.39001 × 10⁵
As a duration: 139,001 s = 1 day, 14 hours, 36 minutes, 41 seconds

In other bases

ternary (3) 21001200012

quaternary (4) 201323321

quinary (5) 13422001

senary (6) 2551305

septenary (7) 1116152

nonary (9) 231605

undecimal (11) 95485

duodecimal (12) 68535

tridecimal (13) 4b365

tetradecimal (14) 38929

pentadecimal (15) 2b2bb

As an angle

139,001° = 386 × 360° + 41°

41° ≈ 0.716 rad

Compass bearing: NE (northeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺
Greek (Milesian): ͵ρλθαʹ
Mayan (base 20): 𝋱·𝋧·𝋪·𝋡
Chinese: 一十三萬九千零一
Chinese (financial): 壹拾參萬玖仟零壹

In other modern scripts

Eastern Arabic ١٣٩٠٠١ Devanagari १३९००१ Bengali ১৩৯০০১ Tamil ௧௩௯௦௦௧ Thai ๑๓๙๐๐๑ Tibetan ༡༣༩༠༠༡ Khmer ១៣៩០០១ Lao ໑໓໙໐໐໑ Burmese ၁၃၉၀၀၁

Also seen as

Unicode codepoint

𡻹

CJK Unified Ideograph-21Ef9

U+21EF9

Other letter (Lo)

UTF-8 encoding: F0 A1 BB B9 (4 bytes).

Lookup U+21EF9 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#021EF9

RGB(2, 30, 249)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.30.249.

Address: 0.2.30.249
Class: reserved
IPv4-mapped IPv6: ::ffff:0.2.30.249

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 139,001 and was likely granted around 1872.

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

Look up US139,001 on Google Patents ↗ Look up on USPTO ↗