142,621
142,621 is a composite number, odd.
142,621 (one hundred forty-two thousand six hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 127 × 1,123. Written other ways, in hexadecimal, 0x22D1D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 96
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 126,241
- Recamán's sequence
- a(223,174) = 142,621
- Square (n²)
- 20,340,749,641
- Cube (n³)
- 2,901,018,054,549,061
- Divisor count
- 4
- σ(n) — sum of divisors
- 143,872
- φ(n) — Euler's totient
- 141,372
- Sum of prime factors
- 1,250
Primality
Prime factorization: 127 × 1123
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,621 = [377; (1, 1, 1, 6, 1, 7, 1, 4, 3, 9, 4, 50, 9, 12, 2, 10, 1, 1, 1, 2, 6, 1, 1, 1, …)]
Representations
- In words
- one hundred forty-two thousand six hundred twenty-one
- Ordinal
- 142621st
- Binary
- 100010110100011101
- Octal
- 426435
- Hexadecimal
- 0x22D1D
- Base64
- Ai0d
- One's complement
- 4,294,824,674 (32-bit)
- Scientific notation
- 1.42621 × 10⁵
- As a duration
- 142,621 s = 1 day, 15 hours, 37 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμβχκαʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋫·𝋡
- Chinese
- 一十四萬二千六百二十一
- Chinese (financial)
- 壹拾肆萬貳仟陸佰貳拾壹
Also seen as
UTF-8 encoding: F0 A2 B4 9D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.29.
- Address
- 0.2.45.29
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.29
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 142,621 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142621 first appears in π at position 134,763 of the decimal expansion (the 134,763ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.