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113,561

113,561 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.).

113,561 (one hundred thirteen thousand five hundred sixty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 7 × 16,223. Written other ways, in hexadecimal, 0x1BB99.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
17
Digit product
90
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
165,311
Recamán's sequence
a(53,881) = 113,561
Square (n²)
12,896,100,721
Cube (n³)
1,464,494,093,977,481
Divisor count
4
σ(n) — sum of divisors
129,792
φ(n) — Euler's totient
97,332
Sum of prime factors
16,230

Primality

Prime factorization: 7 × 16223

Nearest primes: 113,557 (−4) · 113,567 (+6)

Divisors & multiples

All divisors (4)
1 · 7 · 16223 · 113561
Aliquot sum (sum of proper divisors): 16,231
Factor pairs (a × b = 113,561)
1 × 113561
7 × 16223
First multiples
113,561 · 227,122 (double) · 340,683 · 454,244 · 567,805 · 681,366 · 794,927 · 908,488 · 1,022,049 · 1,135,610

Sums & aliquot sequence

As consecutive integers: 56,780 + 56,781 16,220 + 16,221 + … + 16,226 8,105 + 8,106 + … + 8,118
Aliquot sequence: 113,561 16,231 1 0 — terminates at zero

Continued fraction of √n

√113,561 = [336; (1, 83, 4, 41, 1, 6, 1, 20, 5, 2, 1, 9, 1, 5, 2, 1, 1, 4, 1, 2, 21, 2, 1, 1, …)]

Representations

In words
one hundred thirteen thousand five hundred sixty-one
Ordinal
113561st
Binary
11011101110011001
Octal
335631
Hexadecimal
0x1BB99
Base64
AbuZ
One's complement
4,294,853,734 (32-bit)
Scientific notation
1.13561 × 10⁵
As a duration
113,561 s = 1 day, 7 hours, 32 minutes, 41 seconds
In other bases
ternary (3) 12202202222
quaternary (4) 123232121
quinary (5) 12113221
senary (6) 2233425
septenary (7) 652040
nonary (9) 182688
undecimal (11) 78358
duodecimal (12) 55875
tridecimal (13) 3c8c6
tetradecimal (14) 2d557
pentadecimal (15) 239ab

As an angle

113,561° = 315 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ριγφξαʹ
Mayan (base 20)
𝋮·𝋣·𝋲·𝋡
Chinese
一十一萬三千五百六十一
Chinese (financial)
壹拾壹萬參仟伍佰陸拾壹
In other modern scripts
Eastern Arabic ١١٣٥٦١ Devanagari ११३५६१ Bengali ১১৩৫৬১ Tamil ௧௧௩௫௬௧ Thai ๑๑๓๕๖๑ Tibetan ༡༡༣༥༦༡ Khmer ១១៣៥៦១ Lao ໑໑໓໕໖໑ Burmese ၁၁၃၅၆၁

Also seen as

Hex color
#01BB99
RGB(1, 187, 153)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.187.153.

Address
0.1.187.153
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.187.153

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 113,561 and was likely granted around 1871.

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

Position in π

The digit sequence 113561 first appears in π at position 177,447 of the decimal expansion (the 177,447ordinal-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.