124,220
124,220 is a composite number, even.
124,220 (one hundred twenty-four thousand two hundred twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 6,211. Its proper divisors sum to 136,684, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E53C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 22,421
- Recamán's sequence
- a(237,724) = 124,220
- Square (n²)
- 15,430,608,400
- Cube (n³)
- 1,916,790,175,448,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 260,904
- φ(n) — Euler's totient
- 49,680
- Sum of prime factors
- 6,220
Primality
Prime factorization: 2 2 × 5 × 6211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,220 = [352; (2, 4, 2, 1, 3, 4, 36, 1, 6, 2, 4, 4, 1, 23, 2, 140, 2, 23, 1, 4, 4, 2, 6, 1, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand two hundred twenty
- Ordinal
- 124220th
- Binary
- 11110010100111100
- Octal
- 362474
- Hexadecimal
- 0x1E53C
- Base64
- AeU8
- One's complement
- 4,294,843,075 (32-bit)
- Scientific notation
- 1.2422 × 10⁵
- As a duration
- 124,220 s = 1 day, 10 hours, 30 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρκδσκʹ
- Mayan (base 20)
- 𝋯·𝋪·𝋫·𝋠
- Chinese
- 一十二萬四千二百二十
- Chinese (financial)
- 壹拾貳萬肆仟貳佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124220, here are decompositions:
- 7 + 124213 = 124220
- 37 + 124183 = 124220
- 67 + 124153 = 124220
- 73 + 124147 = 124220
- 97 + 124123 = 124220
- 199 + 124021 = 124220
- 223 + 123997 = 124220
- 241 + 123979 = 124220
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.229.60.
- Address
- 0.1.229.60
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.229.60
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 124,220 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 124220 first appears in π at position 668,388 of the decimal expansion (the 668,388ordinal-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.