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137,621

137,621 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.).

137,621 (one hundred thirty-seven thousand six hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 11 × 12,511. Written other ways, in hexadecimal, 0x21995.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Happy Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
20
Digit product
252
Digital root
2
Palindrome
No
Bit width
18 bits
Reversed
126,731
Recamán's sequence
a(493,585) = 137,621
Square (n²)
18,939,539,641
Cube (n³)
2,606,478,384,934,061
Divisor count
4
σ(n) — sum of divisors
150,144
φ(n) — Euler's totient
125,100
Sum of prime factors
12,522

Primality

Prime factorization: 11 × 12511

Nearest primes: 137,597 (−24) · 137,623 (+2)

Divisors & multiples

All divisors (4)
1 · 11 · 12511 · 137621
Aliquot sum (sum of proper divisors): 12,523
Factor pairs (a × b = 137,621)
1 × 137621
11 × 12511
First multiples
137,621 · 275,242 (double) · 412,863 · 550,484 · 688,105 · 825,726 · 963,347 · 1,100,968 · 1,238,589 · 1,376,210

Sums & aliquot sequence

As consecutive integers: 68,810 + 68,811 12,506 + 12,507 + … + 12,516 6,245 + 6,246 + … + 6,266
Aliquot sequence: 137,621 12,523 1,797 603 281 1 0 — terminates at zero

Continued fraction of √n

√137,621 = [370; (1, 36, 10, 7, 3, 7, 1, 5, 17, 1, 12, 1, 1, 5, 16, 1, 2, 7, 3, 4, 4, 3, 2, 2, …)]

Representations

In words
one hundred thirty-seven thousand six hundred twenty-one
Ordinal
137621st
Binary
100001100110010101
Octal
414625
Hexadecimal
0x21995
Base64
AhmV
One's complement
4,294,829,674 (32-bit)
Scientific notation
1.37621 × 10⁵
As a duration
137,621 s = 1 day, 14 hours, 13 minutes, 41 seconds
In other bases
ternary (3) 20222210002
quaternary (4) 201212111
quinary (5) 13400441
senary (6) 2541045
septenary (7) 1112141
nonary (9) 228702
undecimal (11) 94440
duodecimal (12) 67785
tridecimal (13) 4a843
tetradecimal (14) 38221
pentadecimal (15) 2ab9b

As an angle

137,621° = 382 × 360° + 101°
101° ≈ 1.763 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ρλζχκαʹ
Mayan (base 20)
𝋱·𝋤·𝋡·𝋡
Chinese
一十三萬七千六百二十一
Chinese (financial)
壹拾參萬柒仟陸佰貳拾壹
In other modern scripts
Eastern Arabic ١٣٧٦٢١ Devanagari १३७६२१ Bengali ১৩৭৬২১ Tamil ௧௩௭௬௨௧ Thai ๑๓๗๖๒๑ Tibetan ༡༣༧༦༢༡ Khmer ១៣៧៦២១ Lao ໑໓໗໖໒໑ Burmese ၁၃၇၆၂၁

Also seen as

Unicode codepoint
𡦕
CJK Unified Ideograph-21995
U+21995
Other letter (Lo)

UTF-8 encoding: F0 A1 A6 95 (4 bytes).

Hex color
#021995
RGB(2, 25, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.25.149.

Address
0.2.25.149
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.25.149

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 137,621 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 137621 first appears in π at position 32,058 of the decimal expansion (the 32,058ordinal-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.