Properties of the Number 70123

Seventy Thousand One Hundred Twenty-Three

Basics

Value: 70122 → 70123 → 70124

Parity: odd

Prime: Yes

Previous Prime: 70121

Next Prime: 70139

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 70123

Divisors: 1, 70123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000111101011

Octal: 210753

Duodecimal: 346B7

Hexadecimal: 111eb

Square: 4917235129

Square Root: 264.8074772358213

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Sixth term of strong prime sextets: p(m-4)-p(m-5) > p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1). A54818

a(n) = (n⁵ - 133·n⁴ + 6729·n³ - 158379·n² + 1720294·n - 6823316)/4. A121887

Primes of the form abs((1/4)*(n⁵ - 133n⁴ + 6729n³ - 158379n² + 1720294n - 6823316)) in order of increasing nonnegative n. A272710

Upper twin prime-indexed primes in the sequence of prime(prime(i)). A228055

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = a(3) = 2. A49953

Numbers m such that [A070080(m), A070081(m), A070082(m)] is an acute scalene integer triangle with prime side lengths. A70123

Least positive integer k such that both k and k·n belong to the set {m>0: prime(m)+2 is prime with prime(prime(m)+2) = prime(prime(m))+6}. A261528