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131,325

131,325 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.).

131,325 (one hundred thirty-one thousand three hundred twenty-five) is an odd 6-digit number. It is a composite number with 24 divisors, and factors as 3 × 5² × 17 × 103. Written other ways, in hexadecimal, 0x200FD.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Happy Number Harshad / Niven

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
90
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
523,131
Square (n²)
17,246,255,625
Cube (n³)
2,264,864,519,953,125
Divisor count
24
σ(n) — sum of divisors
232,128
φ(n) — Euler's totient
65,280
Sum of prime factors
133

Primality

Prime factorization: 3 × 5 2 × 17 × 103

Nearest primes: 131,321 (−4) · 131,357 (+32)

Divisors & multiples

All divisors (24)
1 · 3 · 5 · 15 · 17 · 25 · 51 · 75 · 85 · 103 · 255 · 309 · 425 · 515 · 1275 · 1545 · 1751 · 2575 · 5253 · 7725 · 8755 · 26265 · 43775 · 131325
Aliquot sum (sum of proper divisors): 100,803
Factor pairs (a × b = 131,325)
1 × 131325
3 × 43775
5 × 26265
15 × 8755
17 × 7725
25 × 5253
51 × 2575
75 × 1751
85 × 1545
103 × 1275
255 × 515
309 × 425
First multiples
131,325 · 262,650 (double) · 393,975 · 525,300 · 656,625 · 787,950 · 919,275 · 1,050,600 · 1,181,925 · 1,313,250

Sums & aliquot sequence

As consecutive integers: 65,662 + 65,663 43,774 + 43,775 + 43,776 26,263 + 26,264 + 26,265 + 26,266 + 26,267 21,885 + 21,886 + 21,887 + 21,888 + 21,889 + 21,890
Aliquot sequence: 131,325 100,803 33,605 14,779 1 0 — terminates at zero

Continued fraction of √n

√131,325 = [362; (2, 1, 1, 2, 1, 2, 2, 3, 1, 6, 2, 9, 14, 9, 2, 6, 1, 3, 2, 2, 1, 2, 1, 1, …)]

Period length 26 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand three hundred twenty-five
Ordinal
131325th
Binary
100000000011111101
Octal
400375
Hexadecimal
0x200FD
Base64
AgD9
One's complement
4,294,835,970 (32-bit)
Scientific notation
1.31325 × 10⁵
As a duration
131,325 s = 1 day, 12 hours, 28 minutes, 45 seconds
In other bases
ternary (3) 20200010220
quaternary (4) 200003331
quinary (5) 13200300
senary (6) 2451553
septenary (7) 1054605
nonary (9) 220126
undecimal (11) 8a737
duodecimal (12) 63bb9
tridecimal (13) 47a0c
tetradecimal (14) 35c05
pentadecimal (15) 28da0

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλατκεʹ
Mayan (base 20)
𝋰·𝋨·𝋦·𝋥
Chinese
一十三萬一千三百二十五
Chinese (financial)
壹拾參萬壹仟參佰貳拾伍
In other modern scripts
Eastern Arabic ١٣١٣٢٥ Devanagari १३१३२५ Bengali ১৩১৩২৫ Tamil ௧௩௧௩௨௫ Thai ๑๓๑๓๒๕ Tibetan ༡༣༡༣༢༥ Khmer ១៣១៣២៥ Lao ໑໓໑໓໒໕ Burmese ၁၃၁၃၂၅

Also seen as

Unicode codepoint
𠃽
CJK Unified Ideograph-200Fd
U+200FD
Other letter (Lo)

UTF-8 encoding: F0 A0 83 BD (4 bytes).

Hex color
#0200FD
RGB(2, 0, 253)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.253.

Address
0.2.0.253
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.0.253

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 131,325 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 131325 first appears in π at position 233,896 of the decimal expansion (the 233,896ordinal-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°.