124,400
124,400 is a composite number, even.
124,400 (one hundred twenty-four thousand four hundred) is an even 6-digit number. It is a composite number with 30 divisors, and factors as 2⁴ × 5² × 311. Its proper divisors sum to 175,432, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E5F0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 4,421
- Recamán's sequence
- a(237,364) = 124,400
- Square (n²)
- 15,475,360,000
- Cube (n³)
- 1,925,134,784,000,000
- Divisor count
- 30
- σ(n) — sum of divisors
- 299,832
- φ(n) — Euler's totient
- 49,600
- Sum of prime factors
- 329
Primality
Prime factorization: 2 4 × 5 2 × 311
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,400 = [352; (1, 2, 2, 1, 1, 1, 9, 3, 3, 1, 2, 5, 2, 7, 2, 7, 2, 5, 2, 1, 3, 3, 9, 1, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand four hundred
- Ordinal
- 124400th
- Binary
- 11110010111110000
- Octal
- 362760
- Hexadecimal
- 0x1E5F0
- Base64
- AeXw
- One's complement
- 4,294,842,895 (32-bit)
- Scientific notation
- 1.244 × 10⁵
- As a duration
- 124,400 s = 1 day, 10 hours, 33 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρκδυʹ
- Mayan (base 20)
- 𝋯·𝋫·𝋠·𝋠
- Chinese
- 一十二萬四千四百
- Chinese (financial)
- 壹拾貳萬肆仟肆佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124400, here are decompositions:
- 37 + 124363 = 124400
- 61 + 124339 = 124400
- 97 + 124303 = 124400
- 103 + 124297 = 124400
- 109 + 124291 = 124400
- 151 + 124249 = 124400
- 229 + 124171 = 124400
- 277 + 124123 = 124400
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E 97 B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.229.240.
- Address
- 0.1.229.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.229.240
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 124,400 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 124400 first appears in π at position 305,809 of the decimal expansion (the 305,809ordinal-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.