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31,141

31,141 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.).
Arithmetic Number Deficient Number Happy Number Odious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
10
Digit product
12
Digital root
1
Palindrome
No
Bit width
15 bits
Reversed
14,113
Recamán's sequence
a(31,381) = 31,141
Square (n²)
969,761,881
Cube (n³)
30,199,354,736,221
Divisor count
8
σ(n) — sum of divisors
36,000
φ(n) — Euler's totient
26,640
Sum of prime factors
179

Primality

Prime factorization: 11 × 19 × 149

Nearest primes: 31,139 (−2) · 31,147 (+6)

Divisors & multiples

All divisors (8)
1 · 11 · 19 · 149 · 209 · 1639 · 2831 · 31141
Aliquot sum (sum of proper divisors): 4,859
Factor pairs (a × b = 31,141)
1 × 31141
11 × 2831
19 × 1639
149 × 209
First multiples
31,141 · 62,282 (double) · 93,423 · 124,564 · 155,705 · 186,846 · 217,987 · 249,128 · 280,269 · 311,410

Sums & aliquot sequence

As consecutive integers: 15,570 + 15,571 2,826 + 2,827 + … + 2,836 1,630 + 1,631 + … + 1,648 1,405 + 1,406 + … + 1,426
Aliquot sequence: 31,141 4,859 157 1 0 — terminates at zero

Representations

In words
thirty-one thousand one hundred forty-one
Ordinal
31141st
Binary
111100110100101
Octal
74645
Hexadecimal
0x79A5
Base64
eaU=
One's complement
34,394 (16-bit)
In other bases
ternary (3) 1120201101
quaternary (4) 13212211
quinary (5) 1444031
senary (6) 400101
septenary (7) 156535
nonary (9) 46641
undecimal (11) 21440
duodecimal (12) 16031
tridecimal (13) 11236
tetradecimal (14) b4c5
pentadecimal (15) 9361

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵λαρμαʹ
Mayan (base 20)
𝋣·𝋱·𝋱·𝋡
Chinese
三萬一千一百四十一
Chinese (financial)
參萬壹仟壹佰肆拾壹
In other modern scripts
Eastern Arabic ٣١١٤١ Devanagari ३११४१ Bengali ৩১১৪১ Tamil ௩௧௧௪௧ Thai ๓๑๑๔๑ Tibetan ༣༡༡༤༡ Khmer ៣១១៤១ Lao ໓໑໑໔໑ Burmese ၃၁၁၄၁

Digit at this position in famous constants

π — Pi (π)
Digit 31,141 = 1
e — Euler's number (e)
Digit 31,141 = 4
φ — Golden ratio (φ)
Digit 31,141 = 9
√2 — Pythagoras's (√2)
Digit 31,141 = 1
ln 2 — Natural log of 2
Digit 31,141 = 1
γ — Euler-Mascheroni (γ)
Digit 31,141 = 5

Also seen as

Unicode codepoint
CJK Unified Ideograph-79A5
U+79A5
Other letter (Lo)

UTF-8 encoding: E7 A6 A5 (3 bytes).

Hex color
#0079A5
RGB(0, 121, 165)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.121.165.

Address
0.0.121.165
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.121.165

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 31141 first appears in π at position 26,278 of the decimal expansion (the 26,278ordinal-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.