Properties of the Number 75141

Seventy-Five Thousand One Hundred Forty-One

Basics

Value: 75140 → 75141 → 75142

Parity: odd

Prime: No

Previous Prime: 75133

Next Prime: 75149

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 11 ² × 23

Divisors: 1, 3, 9, 11, 23, 27, 33, 69, 99, 121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010110000101

Octal: 222605

Duodecimal: 37599

Hexadecimal: 12585

Square: 5646169881

Square Root: 274.11858747629645

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

Numbers that have exactly 8 representations as a k-gonal number, P(m,k) = m*((k-2)*m - (k-4))/2, k and m >= 3. A321158

a(n) = 2·n³ + 3·n². A275709

Ordered (2,2)-selections from the multiset {1,1,2,2,3,3,...,n,n}. A188667

Numerator of the generalized harmonic number H(n,5,3). A75141