Properties of the Number 48481

Forty-Eight Thousand Four Hundred Eighty-One

Basics

Value: 48480 → 48481 → 48482

Parity: odd

Prime: Yes

Previous Prime: 48479

Next Prime: 48487

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 48481

Divisors: 1, 48481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011110101100001

Octal: 136541

Duodecimal: 24081

Hexadecimal: bd61

Square: 2350407361

Square Root: 220.18401395196702

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 of the form n² + 81. A256775

Primes having only {1, 4, 8} as digits. A260270

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

Smallest prime whose product of digits is 2ⁿ. A89365

Fundamental discriminants d uniquely characterizing all complex biquadratic fields Q(sqrt(-3),sqrt(d)) which have 3-class group of type (3,3) and second 3-class group isomorphic to either SmallGroup(2187,247)-#1;5 or SmallGroup(2187,247)-#1;9. A250242

Primes of the form 16·m² + 81, m=1,2,3,... A87861

sech(sin(tanh(x)))=1-1/2!*x²+17/4!*x⁴-673/6!*x⁶+48481/8!*x⁸... A12050

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 48. A31636

Smallest prime whose product of digits is an n-th power. A89364

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1100-0111-0001 pattern in any orientation. A147281