Properties of the Number 75841

Seventy-Five Thousand Eight Hundred Forty-One

Basics

Value: 75840 → 75841 → 75842

Parity: odd

Prime: No

Previous Prime: 75833

Next Prime: 75853

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 149 × 509

Divisors: 1, 149, 509, 75841

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 10010100001000001

Octal: 224101

Duodecimal: 37A81

Hexadecimal: 12841

Square: 5751857281

Square Root: 275.3924472457442

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

E.g.f.: A(x) = exp( ∑_n>=0 x^3ⁿ/3^{(3ⁿ -1}/2) ). A118932

Numbers n>1 with the property that the decimal expansion of n is a permutation of the digits of the decimal expansion of φ(n) and the ratio n/φ(n) is a new record low value. A102018

Numbers k such that 2·k² - 9 is a square. A75841