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10,409

10,409 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 Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
14 bits
Reversed
90,401
Recamán's sequence
a(50,701) = 10,409
Square (n²)
108,347,281
Cube (n³)
1,127,786,847,929
Divisor count
4
σ(n) — sum of divisors
11,904
φ(n) — Euler's totient
8,916
Sum of prime factors
1,494

Primality

Prime factorization: 7 × 1487

Nearest primes: 10,399 (−10) · 10,427 (+18)

Divisors & multiples

All divisors (4)
1 · 7 · 1487 · 10409
Aliquot sum (sum of proper divisors): 1,495
Factor pairs (a × b = 10,409)
1 × 10409
7 × 1487
First multiples
10,409 · 20,818 (double) · 31,227 · 41,636 · 52,045 · 62,454 · 72,863 · 83,272 · 93,681 · 104,090

Sums & aliquot sequence

As consecutive integers: 5,204 + 5,205 1,484 + 1,485 + … + 1,490 737 + 738 + … + 750
Aliquot sequence: 10,409 1,495 521 1 0 — terminates at zero

Representations

In words
ten thousand four hundred nine
Ordinal
10409th
Binary
10100010101001
Octal
24251
Hexadecimal
0x28A9
Base64
KKk=
One's complement
55,126 (16-bit)
In other bases
ternary (3) 112021112
quaternary (4) 2202221
quinary (5) 313114
senary (6) 120105
septenary (7) 42230
nonary (9) 15245
undecimal (11) 7903
duodecimal (12) 6035
tridecimal (13) 4979
tetradecimal (14) 3b17
pentadecimal (15) 313e

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιυθʹ
Mayan (base 20)
𝋡·𝋦·𝋠·𝋩
Chinese
一萬零四百零九
Chinese (financial)
壹萬零肆佰零玖
In other modern scripts
Eastern Arabic ١٠٤٠٩ Devanagari १०४०९ Bengali ১০৪০৯ Tamil ௧௦௪௦௯ Thai ๑๐๔๐๙ Tibetan ༡༠༤༠༩ Khmer ១០៤០៩ Lao ໑໐໔໐໙ Burmese ၁၀၄၀၉

Digit at this position in famous constants

π — Pi (π)
Digit 10,409 = 9
e — Euler's number (e)
Digit 10,409 = 5
φ — Golden ratio (φ)
Digit 10,409 = 1
√2 — Pythagoras's (√2)
Digit 10,409 = 3
ln 2 — Natural log of 2
Digit 10,409 = 0
γ — Euler-Mascheroni (γ)
Digit 10,409 = 0

Also seen as

Unicode codepoint
Braille Pattern Dots-1468
U+28A9
Other symbol (So)

UTF-8 encoding: E2 A2 A9 (3 bytes).

Hex color
#0028A9
RGB(0, 40, 169)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.40.169.

Address
0.0.40.169
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.40.169

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

Position in π

The digit sequence 10409 first appears in π at position 50,962 of the decimal expansion (the 50,962ordinal-suffix:nd 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.