Number
13,421
13,421 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 11
- Digit product
- 24
- Digital root
- 2
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 12,431
- Recamán's sequence
- a(47,433) = 13,421
- Square (n²)
- 180,123,241
- Cube (n³)
- 2,417,434,017,461
- Divisor count
- 2
- σ(n) — sum of divisors
- 13,422
- φ(n) — Euler's totient
- 13,420
Primality
13,421 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
Sums & aliquot sequence
As a sum of two squares:
14² + 115²
As consecutive integers:
6,710 + 6,711
Representations
- In words
- thirteen thousand four hundred twenty-one
- Ordinal
- 13421st
- Binary
- 11010001101101
- Octal
- 32155
- Hexadecimal
- 0x346D
- Base64
- NG0=
- One's complement
- 52,114 (16-bit)
In other bases
ternary (3)
200102002
quaternary (4)
3101231
quinary (5)
412141
senary (6)
142045
septenary (7)
54062
nonary (9)
20362
undecimal (11)
a0a1
duodecimal (12)
7925
tridecimal (13)
6155
tetradecimal (14)
4c69
pentadecimal (15)
3e9b
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ιγυκαʹ
- Mayan (base 20)
- 𝋡·𝋭·𝋫·𝋡
- Chinese
- 一萬三千四百二十一
- Chinese (financial)
- 壹萬參仟肆佰貳拾壹
In other modern scripts
Eastern Arabic
١٣٤٢١
Devanagari
१३४२१
Bengali
১৩৪২১
Tamil
௧௩௪௨௧
Thai
๑๓๔๒๑
Tibetan
༡༣༤༢༡
Khmer
១៣៤២១
Lao
໑໓໔໒໑
Burmese
၁၃၄၂၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,421 = 2
- e — Euler's number (e)
- Digit 13,421 = 4
- φ — Golden ratio (φ)
- Digit 13,421 = 6
- √2 — Pythagoras's (√2)
- Digit 13,421 = 3
- ln 2 — Natural log of 2
- Digit 13,421 = 7
- γ — Euler-Mascheroni (γ)
- Digit 13,421 = 6
Also seen as
Prime neighborhood
Unicode codepoint
㑭
CJK Unified Ideograph-346D
U+346D
Other letter (Lo)
UTF-8 encoding: E3 91 AD (3 bytes).
Hex color
#00346D
RGB(0, 52, 109)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.109.
- Address
- 0.0.52.109
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.52.109
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 13421 first appears in π at position 16,639 of the decimal expansion (the 16,639ordinal-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.