Properties of the Number 90978

Ninety Thousand Nine Hundred Seventy-Eight

Basics

Value: 90977 → 90978 → 90979

Parity: even

Prime: No

Previous Prime: 90977

Next Prime: 90989

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 59 × 257

Divisors: 1, 2, 3, 6, 59, 118, 177, 257, 354, 514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110001101100010

Octal: 261542

Duodecimal: 44796

Hexadecimal: 16362

Square: 8276996484

Square Root: 301.62559573086634

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

Number of partitions of n having standard deviation σ > 4. A238656

a(0)=1, a(n) = a(n-1) - ∑_k=2..n μ(k) * a(n-k), where μ(k) is the Moebius function of k. A72810

a(n) = n + Sum{a(k): 1<=k<n and a(k) divides n}. A90978