Properties of the Number 12472

Twelve Thousand Four Hundred Seventy-Two

Basics

Value: 12471 → 12472 → 12473

Parity: even

Prime: No

Previous Prime: 12457

Next Prime: 12473

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 1559

Divisors: 1, 2, 4, 8, 1559, 3118, 6236, 12472

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000010111000

Octal: 30270

Duodecimal: 7274

Hexadecimal: 30b8

Square: 155550784

Square Root: 111.67810886650973

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

Positive numbers whose product of digits is 7 times their sum. A62384

Sum of the denominators of the Farey series of order n (A006843). A240877

Number of integer partitions of n whose maximal anti-runs do not all have different maxima. A375401

Numbers k such that iterating φ(σ(k)-φ(k)) starting from k leads to the fixed point 8064. A77096

Number of symmetry classes of 3 X 3 semimagic squares with distinct positive values and magic sum n. A173725

Least positive integer k such that prime(k·n)² - 2 = prime(i·n)*prime(j·n) for some integers 0 < i < j. A260080

Greatest number m such that the fractional part of (1024/1000)^A153678(n) <= 1/m. A153682

Greatest number m such that the fractional part of (1024/1000)^A153677(n) <= 1/m. A153681

Row sums of triangle A163840. A163843

a(2·n) = n·a(n); a(2·n+1) = n·a(n) + a(n+1), with a(1) = 1. A176528