Properties of the Number 67161

Sixty-Seven Thousand One Hundred Sixty-One

Basics

Value: 67160 → 67161 → 67162

Parity: odd

Prime: No

Previous Prime: 67157

Next Prime: 67169

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 61 × 367

Divisors: 1, 3, 61, 183, 367, 1101, 22387, 67161

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011001011001

Octal: 203131

Duodecimal: 32A49

Hexadecimal: 10659

Square: 4510599921

Square Root: 259.15439413600535

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

Triangular numbers composed of digits {1,6,7}. A119140

a(n) is the n-th J₁₈-prime (Josephus₁₈ prime). A163798

Triangular numbers whose sum of aliquot divisors is a prime number. A83676

Numbers k that divide s(k), where s(1)=1, s(j)=13·s(j-1)+j. A14861

Numbers k such that k divides s(k), where s(1)=1, s(j) = s(j-1) + j·13^j-1. A14953

a(n) = prime(σ(n)). A67161