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4,445

4,445 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 Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
17
Digit product
320
Digital root
8
Palindrome
No
Bit width
13 bits
Reversed
5,444
Recamán's sequence
a(5,850) = 4,445
Square (n²)
19,758,025
Cube (n³)
87,824,421,125
Divisor count
8
σ(n) — sum of divisors
6,144
φ(n) — Euler's totient
3,024
Sum of prime factors
139

Primality

Prime factorization: 5 × 7 × 127

Nearest primes: 4,441 (−4) · 4,447 (+2)

Divisors & multiples

All divisors (8)
1 · 5 · 7 · 35 · 127 · 635 · 889 · 4445
Aliquot sum (sum of proper divisors): 1,699
Factor pairs (a × b = 4,445)
1 × 4445
5 × 889
7 × 635
35 × 127
First multiples
4,445 · 8,890 (double) · 13,335 · 17,780 · 22,225 · 26,670 · 31,115 · 35,560 · 40,005 · 44,450

Sums & aliquot sequence

As consecutive integers: 2,222 + 2,223 887 + 888 + 889 + 890 + 891 632 + 633 + … + 638 440 + 441 + … + 449
Aliquot sequence: 4,445 1,699 1 0 — terminates at zero

Representations

In words
four thousand four hundred forty-five
Ordinal
4445th
Binary
1000101011101
Octal
10535
Hexadecimal
0x115D
Base64
EV0=
One's complement
61,090 (16-bit)
In other bases
ternary (3) 20002122
quaternary (4) 1011131
quinary (5) 120240
senary (6) 32325
septenary (7) 15650
nonary (9) 6078
undecimal (11) 3381
duodecimal (12) 26a5
tridecimal (13) 203c
tetradecimal (14) 1897
pentadecimal (15) 14b5

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵δυμεʹ
Mayan (base 20)
𝋫·𝋢·𝋥
Chinese
四千四百四十五
Chinese (financial)
肆仟肆佰肆拾伍
In other modern scripts
Eastern Arabic ٤٤٤٥ Devanagari ४४४५ Bengali ৪৪৪৫ Tamil ௪௪௪௫ Thai ๔๔๔๕ Tibetan ༤༤༤༥ Khmer ៤៤៤៥ Lao ໔໔໔໕ Burmese ၄၄၄၅

Digit at this position in famous constants

π — Pi (π)
Digit 4,445 = 1
e — Euler's number (e)
Digit 4,445 = 2
φ — Golden ratio (φ)
Digit 4,445 = 1
√2 — Pythagoras's (√2)
Digit 4,445 = 7
ln 2 — Natural log of 2
Digit 4,445 = 8
γ — Euler-Mascheroni (γ)
Digit 4,445 = 5

Also seen as

Unicode codepoint
Hangul Choseong Nieun-Hieuh
U+115D
Other letter (Lo)

UTF-8 encoding: E1 85 9D (3 bytes).

Hex color
#00115D
RGB(0, 17, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.17.93.

Address
0.0.17.93
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.17.93

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

Position in π

The digit sequence 4445 first appears in π at position 9,445 of the decimal expansion (the 9,445ordinal-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.