Properties of the Number 67158

Sixty-Seven Thousand One Hundred Fifty-Eight

Basics

Value: 67157 → 67158 → 67159

Parity: even

Prime: No

Previous Prime: 67157

Next Prime: 67169

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 7 × 13 × 41

Divisors: 1, 2, 3, 6, 7, 9, 13, 14, 18, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000011001010110

Octal: 203126

Duodecimal: 32A46

Hexadecimal: 10656

Square: 4510196964

Square Root: 259.14860601593057

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

Unitary amicable numbers. A63991

Smaller member of an infinitary amicable pair. A126169

Smaller of unitary amicable pair. A2952

Smaller of bi-unitary amicable pair. A292980

a(n) = 3·binomial(8·n+3,n)/(8·n+3). A234462

Lesser of tri-unitary amicable numbers pair: numbers (m, n) such that tsigma(m) = tsigma(n) = m + n, where tsigma(n) is the sum of the tri-unitary divisors of n (A324706). A324708

Numbers that are the sum of four third powers in nine or more ways. A345146

Numbers that are the sum of four third powers in exactly nine ways. A345154

Number of 5-tuples (v1,v2,v3,v4,v5) of nonnegative integers less than n such that v1 <= v4, v1 <= v5, v2 <= v4 and v3 <= v4. A85462

Lesser of semi-unitary amicable numbers pair: numbers (m, n) such that susigma(m) = susigma(n) = m + n, where susigma(n) is the sum of the semi-unitary divisors of n (A322485). A322541