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124,421

124,421 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.).

124,421 (one hundred twenty-four thousand four hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 11 × 11,311. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0x1E605.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Palindrome Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
14
Digit product
64
Digital root
5
Palindrome
Yes
Bit width
17 bits
Recamán's sequence
a(237,322) = 124,421
Square (n²)
15,480,585,241
Cube (n³)
1,926,109,896,270,461
Divisor count
4
σ(n) — sum of divisors
135,744
φ(n) — Euler's totient
113,100
Sum of prime factors
11,322

Primality

Prime factorization: 11 × 11311

Nearest primes: 124,367 (−54) · 124,427 (+6)

Divisors & multiples

All divisors (4)
1 · 11 · 11311 · 124421
Aliquot sum (sum of proper divisors): 11,323
Factor pairs (a × b = 124,421)
1 × 124421
11 × 11311
First multiples
124,421 · 248,842 (double) · 373,263 · 497,684 · 622,105 · 746,526 · 870,947 · 995,368 · 1,119,789 · 1,244,210

Sums & aliquot sequence

As consecutive integers: 62,210 + 62,211 11,306 + 11,307 + … + 11,316 5,645 + 5,646 + … + 5,666
Aliquot sequence: 124,421 11,323 1,121 79 1 0 — terminates at zero

Continued fraction of √n

√124,421 = [352; (1, 2, 1, 3, 15, 1, 3, 3, 2, 175, 1, 14, 64, 14, 1, 175, 2, 3, 3, 1, 15, 3, 1, 2, …)]

Period length 26 — the block in parentheses repeats forever.

Representations

In words
one hundred twenty-four thousand four hundred twenty-one
Ordinal
124421st
Binary
11110011000000101
Octal
363005
Hexadecimal
0x1E605
Base64
AeYF
One's complement
4,294,842,874 (32-bit)
Scientific notation
1.24421 × 10⁵
As a duration
124,421 s = 1 day, 10 hours, 33 minutes, 41 seconds
In other bases
ternary (3) 20022200012
quaternary (4) 132120011
quinary (5) 12440141
senary (6) 2400005
septenary (7) 1025513
nonary (9) 208605
undecimal (11) 85530
duodecimal (12) 60005
tridecimal (13) 4482b
tetradecimal (14) 334b3
pentadecimal (15) 26ceb

As an angle

124,421° = 345 × 360° + 221°
221° ≈ 3.857 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ρκδυκαʹ
Mayan (base 20)
𝋯·𝋫·𝋡·𝋡
Chinese
一十二萬四千四百二十一
Chinese (financial)
壹拾貳萬肆仟肆佰貳拾壹
In other modern scripts
Eastern Arabic ١٢٤٤٢١ Devanagari १२४४२१ Bengali ১২৪৪২১ Tamil ௧௨௪௪௨௧ Thai ๑๒๔๔๒๑ Tibetan ༡༢༤༤༢༡ Khmer ១២៤៤២១ Lao ໑໒໔໔໒໑ Burmese ၁၂၄၄၂၁

Also seen as

Hex color
#01E605
RGB(1, 230, 5)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.230.5.

Address
0.1.230.5
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.230.5

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

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 124,421 and was likely granted around 1871.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Position in π

The digit sequence 124421 first appears in π at position 573,345 of the decimal expansion (the 573,345ordinal-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.

Related reading

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.