Properties of the Number 68861

Sixty-Eight Thousand Eight Hundred Sixty-One

Basics

Value: 68860 → 68861 → 68862

Parity: odd

Prime: No

Previous Prime: 68821

Next Prime: 68863

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 13 × 5297

Divisors: 1, 13, 5297, 68861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110011111101

Octal: 206375

Duodecimal: 33A25

Hexadecimal: 10cfd

Square: 4741837321

Square Root: 262.4137953690697

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

The number of distinct parts in the partition sequence λ(n) formed by the recurrence λ(1) = 1 and λ(n+1) is the sum of λ(n) and its conjugate. A64660

Numbers m that divide A306070(m) = ∑_k=1..m bphi(k), where bphi is the bi-unitary totient function (A116550). A356747

a(1) = 1; a(n+1) is the smallest number not already in the sequence which differs from a(n) at every digit. A68861