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80,421

80,421 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 Self Number Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
17 bits
Reversed
12,408
Recamán's sequence
a(119,265) = 80,421
Square (n²)
6,467,537,241
Cube (n³)
520,125,812,458,461
Divisor count
8
σ(n) — sum of divisors
117,024
φ(n) — Euler's totient
48,720
Sum of prime factors
2,451

Primality

Prime factorization: 3 × 11 × 2437

Nearest primes: 80,407 (−14) · 80,429 (+8)

Divisors & multiples

All divisors (8)
1 · 3 · 11 · 33 · 2437 · 7311 · 26807 · 80421
Aliquot sum (sum of proper divisors): 36,603
Factor pairs (a × b = 80,421)
1 × 80421
3 × 26807
11 × 7311
33 × 2437
First multiples
80,421 · 160,842 (double) · 241,263 · 321,684 · 402,105 · 482,526 · 562,947 · 643,368 · 723,789 · 804,210

Sums & aliquot sequence

As consecutive integers: 40,210 + 40,211 26,806 + 26,807 + 26,808 13,401 + 13,402 + 13,403 + 13,404 + 13,405 + 13,406 7,306 + 7,307 + … + 7,316
Aliquot sequence: 80,421 36,603 25,641 21,783 8,025 5,367 1,793 175 73 1 0 — terminates at zero

Representations

In words
eighty thousand four hundred twenty-one
Ordinal
80421st
Binary
10011101000100101
Octal
235045
Hexadecimal
0x13A25
Base64
ATol
One's complement
4,294,886,874 (32-bit)
In other bases
ternary (3) 11002022120
quaternary (4) 103220211
quinary (5) 10033141
senary (6) 1420153
septenary (7) 453315
nonary (9) 132276
undecimal (11) 55470
duodecimal (12) 3a659
tridecimal (13) 2a7b3
tetradecimal (14) 21445
pentadecimal (15) 18c66

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵πυκαʹ
Mayan (base 20)
𝋪·𝋡·𝋡·𝋡
Chinese
八萬零四百二十一
Chinese (financial)
捌萬零肆佰貳拾壹
In other modern scripts
Eastern Arabic ٨٠٤٢١ Devanagari ८०४२१ Bengali ৮০৪২১ Tamil ௮௦௪௨௧ Thai ๘๐๔๒๑ Tibetan ༨༠༤༢༡ Khmer ៨០៤២១ Lao ໘໐໔໒໑ Burmese ၈၀၄၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 80,421 = 9
e — Euler's number (e)
Digit 80,421 = 4
φ — Golden ratio (φ)
Digit 80,421 = 6
√2 — Pythagoras's (√2)
Digit 80,421 = 4
ln 2 — Natural log of 2
Digit 80,421 = 8
γ — Euler-Mascheroni (γ)
Digit 80,421 = 4

Also seen as

Unicode codepoint
𓨥
Egyptian Hieroglyph-13A25
U+13A25
Other letter (Lo)

UTF-8 encoding: F0 93 A8 A5 (4 bytes).

Hex color
#013A25
RGB(1, 58, 37)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.58.37.

Address
0.1.58.37
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.58.37

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

Position in π

The digit sequence 80421 first appears in π at position 80,702 of the decimal expansion (the 80,702ordinal-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.