Properties of the Number 90475

Ninety Thousand Four Hundred Seventy-Five

Basics

Value: 90474 → 90475 → 90476

Parity: odd

Prime: No

Previous Prime: 90473

Next Prime: 90481

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 7 × 11 × 47

Divisors: 1, 5, 7, 11, 25, 35, 47, 55, 77, 175

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000101101011

Octal: 260553

Duodecimal: 44437

Hexadecimal: 1616b

Square: 8185725625

Square Root: 300.7906248539007

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

Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = -2. A380900

Triangle read by rows: T(n,k) = number of partitions of [1..k] into n nonempty clumps of sizes 1, 2, 3 or 4 (n >= 0, 0 <= k <= 4n). A144643

Number of endofunctions on [7] that are the n-th power of an endofunction. A247058

Triangle in A144643 read by columns downwards. A144644

Beginning with 2, a(n+1) is the least prime == -1 (mod ∏_i=1..n a(i) ). A90475