Properties of the Number 68773

Sixty-Eight Thousand Seven Hundred Seventy-Three

Basics

Value: 68772 → 68773 → 68774

Parity: odd

Prime: No

Previous Prime: 68771

Next Prime: 68777

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 97 × 709

Divisors: 1, 97, 709, 68773

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110010100101

Octal: 206245

Duodecimal: 33971

Hexadecimal: 10ca5

Square: 4729725529

Square Root: 262.24606765402604

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

Let r, s, t be three permutations of the set { 1, 2, 3, ..., n }; a(n) = minimal value of ∑_i=1..n r(i)*s(i)*t(i). A70735

Strong pseudoprimes to base 91. A20317

Alternating sum φ(1) - φ(2) + φ(3) - φ(4) + ... + ((-1)ⁿ⁺¹)*φ(n). A68773

Numbers n = concat(x,y) such that (x - φ(x)) * (y - φ(y)) = n - φ(n), where n - φ(n) is the Euler cototient function of n. A272157