Properties of the Number 74491

Seventy-Four Thousand Four Hundred Ninety-One

Basics

Value: 74490 → 74491 → 74492

Parity: odd

Prime: No

Previous Prime: 74489

Next Prime: 74507

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 163 × 457

Divisors: 1, 163, 457, 74491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001011111011

Octal: 221373

Duodecimal: 37137

Hexadecimal: 122fb

Square: 5548909081

Square Root: 272.93039405679974

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

a(n) = smallest semiprime s such that s + n is the next semiprime and there is no prime between s and s + n. A133478

Numbers that are nontrivially palindromic in three or more consecutive integer bases. A279093

Numbers k such that the decimal representation of k is contained as substring in that of the k-th triangular number. A119238

Least number that is the start of a prime-semiprime gap of size n. A278351

"Squarefree" primes: primes without squares in their decimal expansion. A74491