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131,859

131,859 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.).

131,859 (one hundred thirty-one thousand eight hundred fifty-nine) is an odd 6-digit number. It is a composite number with 36 divisors, and factors as 3² × 7² × 13 × 23. Written other ways, in hexadecimal, 0x20313.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
27
Digit product
1,080
Digital root
9
Palindrome
No
Bit width
18 bits
Reversed
958,131
Recamán's sequence
a(228,654) = 131,859
Square (n²)
17,386,795,881
Cube (n³)
2,292,605,518,072,779
Divisor count
36
σ(n) — sum of divisors
248,976
φ(n) — Euler's totient
66,528
Sum of prime factors
56

Primality

Prime factorization: 3 2 × 7 2 × 13 × 23

Nearest primes: 131,849 (−10) · 131,861 (+2)

Divisors & multiples

All divisors (36)
1 · 3 · 7 · 9 · 13 · 21 · 23 · 39 · 49 · 63 · 69 · 91 · 117 · 147 · 161 · 207 · 273 · 299 · 441 · 483 · 637 · 819 · 897 · 1127 · 1449 · 1911 · 2093 · 2691 · 3381 · 5733 · 6279 · 10143 · 14651 · 18837 · 43953 · 131859
Aliquot sum (sum of proper divisors): 117,117
Factor pairs (a × b = 131,859)
1 × 131859
3 × 43953
7 × 18837
9 × 14651
13 × 10143
21 × 6279
23 × 5733
39 × 3381
49 × 2691
63 × 2093
69 × 1911
91 × 1449
117 × 1127
147 × 897
161 × 819
207 × 637
273 × 483
299 × 441
First multiples
131,859 · 263,718 (double) · 395,577 · 527,436 · 659,295 · 791,154 · 923,013 · 1,054,872 · 1,186,731 · 1,318,590

Sums & aliquot sequence

As a sum of two cubes: 19³ + 50³
As consecutive integers: 65,929 + 65,930 43,952 + 43,953 + 43,954 21,974 + 21,975 + 21,976 + 21,977 + 21,978 + 21,979 18,834 + 18,835 + … + 18,840
Aliquot sequence: 131,859 117,117 111,267 66,813 22,275 22,737 13,551 4,521 2,103 705 447 153 81 40 50 43 1 — unresolved within range

Continued fraction of √n

√131,859 = [363; (8, 14, 1, 2, 3, 2, 2, 14, 2, 2, 3, 2, 1, 14, 8, 726)]

Period length 16 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand eight hundred fifty-nine
Ordinal
131859th
Binary
100000001100010011
Octal
401423
Hexadecimal
0x20313
Base64
AgMT
One's complement
4,294,835,436 (32-bit)
Scientific notation
1.31859 × 10⁵
As a duration
131,859 s = 1 day, 12 hours, 37 minutes, 39 seconds
In other bases
ternary (3) 20200212200
quaternary (4) 200030103
quinary (5) 13204414
senary (6) 2454243
septenary (7) 1056300
nonary (9) 220780
undecimal (11) 90082
duodecimal (12) 64383
tridecimal (13) 48030
tetradecimal (14) 360a7
pentadecimal (15) 29109

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλαωνθʹ
Mayan (base 20)
𝋰·𝋩·𝋬·𝋳
Chinese
一十三萬一千八百五十九
Chinese (financial)
壹拾參萬壹仟捌佰伍拾玖
In other modern scripts
Eastern Arabic ١٣١٨٥٩ Devanagari १३१८५९ Bengali ১৩১৮৫৯ Tamil ௧௩௧௮௫௯ Thai ๑๓๑๘๕๙ Tibetan ༡༣༡༨༥༩ Khmer ១៣១៨៥៩ Lao ໑໓໑໘໕໙ Burmese ၁၃၁၈၅၉

Also seen as

Unicode codepoint
𠌓
CJK Unified Ideograph-20313
U+20313
Other letter (Lo)

UTF-8 encoding: F0 A0 8C 93 (4 bytes).

Hex color
#020313
RGB(2, 3, 19)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.19.

Address
0.2.3.19
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.3.19

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 131,859 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 131859 first appears in π at position 50,609 of the decimal expansion (the 50,609ordinal-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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.