Properties of the Number 90841

Ninety Thousand Eight Hundred Forty-One

Basics

Value: 90840 → 90841 → 90842

Parity: odd

Prime: Yes

Previous Prime: 90833

Next Prime: 90847

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 90841

Divisors: 1, 90841

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110001011011001

Octal: 261331

Duodecimal: 446A1

Hexadecimal: 162d9

Square: 8252087281

Square Root: 301.3984074277766

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

T(n,k)=Number of nXk 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4. A238997

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 589", based on the 5-celled von Neumann neighborhood. A283174

Primes p of the form : p+p²+p³-+4=prime. A154822

Primes of the form x² + 18480·y². A173274

Number of n X 2 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of the sum of elements above it, modulo 4. A238991

Number of nX7 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of the sum of elements above it, modulo 4. A238996

Primes p that set records for the minimum k in the Erdős-Straus y = k·p construction for 4/p = 1/x + 1/y + 1/z. A392469

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 20. A31608

Smallest prime whose product of digits is 7ⁿ. A90841