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8,149

8,149 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 Evil Number Recamán's Sequence Semiprime Smith Number Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
22
Digit product
288
Digital root
4
Palindrome
No
Bit width
13 bits
Reversed
9,418
Recamán's sequence
a(10,469) = 8,149
Square (n²)
66,406,201
Cube (n³)
541,144,131,949
Divisor count
4
σ(n) — sum of divisors
8,460
φ(n) — Euler's totient
7,840
Sum of prime factors
310

Primality

Prime factorization: 29 × 281

Nearest primes: 8,147 (−2) · 8,161 (+12)

Divisors & multiples

All divisors (4)
1 · 29 · 281 · 8149
Aliquot sum (sum of proper divisors): 311
Factor pairs (a × b = 8,149)
1 × 8149
29 × 281
First multiples
8,149 · 16,298 (double) · 24,447 · 32,596 · 40,745 · 48,894 · 57,043 · 65,192 · 73,341 · 81,490

Sums & aliquot sequence

As a sum of two squares: 7² + 90² = 57² + 70²
As consecutive integers: 4,074 + 4,075 267 + 268 + … + 295 112 + 113 + … + 169
Aliquot sequence: 8,149 311 1 0 — terminates at zero

Representations

In words
eight thousand one hundred forty-nine
Ordinal
8149th
Binary
1111111010101
Octal
17725
Hexadecimal
0x1FD5
Base64
H9U=
One's complement
57,386 (16-bit)
In other bases
ternary (3) 102011211
quaternary (4) 1333111
quinary (5) 230044
senary (6) 101421
septenary (7) 32521
nonary (9) 12154
undecimal (11) 6139
duodecimal (12) 4871
tridecimal (13) 392b
tetradecimal (14) 2d81
pentadecimal (15) 2634

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ηρμθʹ
Mayan (base 20)
𝋡·𝋠·𝋧·𝋩
Chinese
八千一百四十九
Chinese (financial)
捌仟壹佰肆拾玖
In other modern scripts
Eastern Arabic ٨١٤٩ Devanagari ८१४९ Bengali ৮১৪৯ Tamil ௮௧௪௯ Thai ๘๑๔๙ Tibetan ༨༡༤༩ Khmer ៨១៤៩ Lao ໘໑໔໙ Burmese ၈၁၄၉

Digit at this position in famous constants

π — Pi (π)
Digit 8,149 = 5
e — Euler's number (e)
Digit 8,149 = 9
φ — Golden ratio (φ)
Digit 8,149 = 3
√2 — Pythagoras's (√2)
Digit 8,149 = 8
ln 2 — Natural log of 2
Digit 8,149 = 9
γ — Euler-Mascheroni (γ)
Digit 8,149 = 1

Also seen as

Hex color
#001FD5
RGB(0, 31, 213)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.31.213.

Address
0.0.31.213
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.31.213

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

Position in π

The digit sequence 8149 first appears in π at position 29,330 of the decimal expansion (the 29,330ordinal-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.