Properties of the Number 70489

Seventy Thousand Four Hundred Eighty-Nine

Basics

Value: 70488 → 70489 → 70490

Parity: odd

Prime: Yes

Previous Prime: 70487

Next Prime: 70501

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 70489

Divisors: 1, 70489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001101011001

Octal: 211531

Duodecimal: 34961

Hexadecimal: 11359

Square: 4968699121

Square Root: 265.4976459405996

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

Primes from merging of 5 successive digits in decimal expansion of Catalan's constant. A104919

Primes that become squares when prefixed with an 8. A167741

Denominators of upper primes-only best approximates (POBAs) to sqrt(8); see Comments. A265793

Denominators of primes-only best approximates (POBAs) to sqrt(8); see Comments. A265795

a(1) = 1, a(2) = 2 and a(n) = smallest number not included earlier that divides the concatenation a(n-2), a(n-1). A85946

Primes of the form n²-n-1 (for some n) such that p²-p-1 is also prime. A237642

Primes of the form q(p) + 1, where p is a prime and q(.) is the strict partition function (A000009). A234366

Number of parts in all partitions of n with largest multiplicity five. A320375

Prime numbers p such that p - primepi(p) is a square, where primepi is the prime counting function. A245061

Centered 18-gonal (or octadecagonal) primes. A264825