Properties of the Number 90901

Ninety Thousand Nine Hundred One

Basics

Value: 90900 → 90901 → 90902

Parity: odd

Prime: Yes

Previous Prime: 90887

Next Prime: 90907

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 90901

Divisors: 1, 90901

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110001100010101

Octal: 261425

Duodecimal: 44731

Hexadecimal: 16315

Square: 8262991801

Square Root: 301.4979270243827

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

Prime(n), where n is such that (1+∑_i=1..n prime(i)) / n is an integer. A233523

Primes having only {0, 1, 9} as digits. A199329

Primes formed by concatenating k, k, and 1 for k >= 1. A210511

Primes of the form b·10^2·k + b·10^k + 1 for 1 <= b <= 9, k >= 0. A309739

a(n) is the least index such that the least primitive root of the a(n)-th prime is n, or zero if no such prime exists. A66529

Numbers n such that there exists·in N : (x+1)³-x³=19·n². A145123

Smallest n-digit number m such that φ(10ⁿ+1)=φ(m), gcd(10ⁿ+1,m)=1 and 10 does not divide m, or zero if there is no such m. A147547

Denominators of continued fraction convergents to sqrt(228). A41425

Denominators of continued fraction convergents to sqrt(912). A42763

Least k such that the least positive primitive root of prime(k) equals prime(n). A79060