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137,975

137,975 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.).

137,975 (one hundred thirty-seven thousand nine hundred seventy-five) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 5² × 5,519. Written other ways, in hexadecimal, 0x21AF7.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
32
Digit product
6,615
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
579,731
Recamán's sequence
a(492,877) = 137,975
Square (n²)
19,037,100,625
Cube (n³)
2,626,643,958,734,375
Divisor count
6
σ(n) — sum of divisors
171,120
φ(n) — Euler's totient
110,360
Sum of prime factors
5,529

Primality

Prime factorization: 5 2 × 5519

Nearest primes: 137,957 (−18) · 137,983 (+8)

Divisors & multiples

All divisors (6)
1 · 5 · 25 · 5519 · 27595 · 137975
Aliquot sum (sum of proper divisors): 33,145
Factor pairs (a × b = 137,975)
1 × 137975
5 × 27595
25 × 5519
First multiples
137,975 · 275,950 (double) · 413,925 · 551,900 · 689,875 · 827,850 · 965,825 · 1,103,800 · 1,241,775 · 1,379,750

Sums & aliquot sequence

As consecutive integers: 68,987 + 68,988 27,593 + 27,594 + 27,595 + 27,596 + 27,597 13,793 + 13,794 + … + 13,802 5,507 + 5,508 + … + 5,531
Aliquot sequence: 137,975 33,145 12,359 745 155 37 1 0 — terminates at zero

Continued fraction of √n

√137,975 = [371; (2, 4, 2, 17, 1, 2, 38, 1, 3, 5, 1, 2, 4, 8, 8, 1, 1, 14, 3, 25, 3, 2, 3, 5, …)]

Representations

In words
one hundred thirty-seven thousand nine hundred seventy-five
Ordinal
137975th
Binary
100001101011110111
Octal
415367
Hexadecimal
0x21AF7
Base64
Ahr3
One's complement
4,294,829,320 (32-bit)
Scientific notation
1.37975 × 10⁵
As a duration
137,975 s = 1 day, 14 hours, 19 minutes, 35 seconds
In other bases
ternary (3) 21000021012
quaternary (4) 201223313
quinary (5) 13403400
senary (6) 2542435
septenary (7) 1113155
nonary (9) 230235
undecimal (11) 94732
duodecimal (12) 67a1b
tridecimal (13) 4aa56
tetradecimal (14) 383d5
pentadecimal (15) 2ad35

As an angle

137,975° = 383 × 360° + 95°
95° ≈ 1.658 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλζϡοεʹ
Mayan (base 20)
𝋱·𝋤·𝋲·𝋯
Chinese
一十三萬七千九百七十五
Chinese (financial)
壹拾參萬柒仟玖佰柒拾伍
In other modern scripts
Eastern Arabic ١٣٧٩٧٥ Devanagari १३७९७५ Bengali ১৩৭৯৭৫ Tamil ௧௩௭௯௭௫ Thai ๑๓๗๙๗๕ Tibetan ༡༣༧༩༧༥ Khmer ១៣៧៩៧៥ Lao ໑໓໗໙໗໕ Burmese ၁၃၇၉၇၅

Also seen as

Unicode codepoint
𡫷
CJK Unified Ideograph-21Af7
U+21AF7
Other letter (Lo)

UTF-8 encoding: F0 A1 AB B7 (4 bytes).

Hex color
#021AF7
RGB(2, 26, 247)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.247.

Address
0.2.26.247
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.26.247

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 137,975 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 137975 first appears in π at position 43,838 of the decimal expansion (the 43,838ordinal-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.