125,400
125,400 is a composite number, even.
125,400 (one hundred twenty-five thousand four hundred) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2³ × 3 × 5² × 11 × 19. Its proper divisors sum to 321,000, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E9D8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 4,521
- Recamán's sequence
- a(235,364) = 125,400
- Square (n²)
- 15,725,160,000
- Cube (n³)
- 1,971,935,064,000,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 446,400
- φ(n) — Euler's totient
- 28,800
- Sum of prime factors
- 49
Primality
Prime factorization: 2 3 × 3 × 5 2 × 11 × 19
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,400 = [354; (8, 2, 3, 14, 6, 28, 6, 14, 3, 2, 8, 708)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand four hundred
- Ordinal
- 125400th
- Binary
- 11110100111011000
- Octal
- 364730
- Hexadecimal
- 0x1E9D8
- Base64
- AenY
- One's complement
- 4,294,841,895 (32-bit)
- Scientific notation
- 1.254 × 10⁵
- As a duration
- 125,400 s = 1 day, 10 hours, 50 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρκευʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋪·𝋠
- Chinese
- 一十二萬五千四百
- Chinese (financial)
- 壹拾貳萬伍仟肆佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125400, here are decompositions:
- 13 + 125387 = 125400
- 17 + 125383 = 125400
- 29 + 125371 = 125400
- 47 + 125353 = 125400
- 61 + 125339 = 125400
- 71 + 125329 = 125400
- 89 + 125311 = 125400
- 97 + 125303 = 125400
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.233.216.
- Address
- 0.1.233.216
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.233.216
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 125,400 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 125400 first appears in π at position 229,673 of the decimal expansion (the 229,673ordinal-suffix:rd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.